What are the factors of 42?

42 = 1 x 42, 2 x 21, 3 x 14, or 6 x 7. Factors of 42: 1, 2, 3, 6, 7, 14, 21, 42. Prime factorization: 42 = 2 x 3 x 7.

.

Considering this, what are the prime factor of 42?

The only way to write 42 as the product of primes (except to change the order of the factors) is 2 × 3 × 7. We call 2 × 3 × 7 the prime factorization of 42. It turns out that every counting number (natural number) has a unique prime factorization, different from any other counting number.

Also, what are the factors of 43? The factors of 43. Answer : 1,43, Related Links : Is 43 a rational number?

Just so, what are the factors of 40?

40 = 1 x 40, 2 x 20, 4 x 10, or 5 x 8. Factors of 40: 1, 2, 4, 5, 8, 10, 20, 40. Prime factorization: 40 = 2 x 2 x 2 x 5, which can also be written 2³ x 5.

What are the factors of 45?

45 is a composite number. 45 = 1 x 45, 3 x 15, or 5 x 9. Factors of 45: 1, 3, 5, 9, 15, 45. Prime factorization: 45 = 3 x 3 x 5, which can also be written 45 = 3² x 5.

Related Question Answers

Is 41 a prime number?

All numbers that end in five are divisible by five. Therefore all numbers that end with five and are greater than five are composite numbers. The prime numbers between 2 and 100 are 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89 and 97.

Is 42 prime or composite?

A composite number is a number that can be divided evenly by more numbers than 1 and itself. It is the opposite of a prime number. The number 42 can be evenly divided by 1, 2, 3, 6, 7, 14, 21 and 42, with no remainder. Since 42 cannot be divided by just 1 and 42, it is a composite number.

What are the factors of 36?

Factors of 36: 1, 2, 3, 4, 6, 9, 12, 18, 36. Prime factorization: 36 = 2 x 2 x 3 x 3, which can also be written 36 = 2² x 3². Since √36 = 6, a whole number, 36 is a perfect square.

Is 43 a prime number?

When a number has more than two factors it is called a composite number. Here are the first few prime numbers: 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97, 101, 103, 107, 109, 113, 127, 131, 137, 139, 149, 151, 157, 163, 167, 173, 179, 181, 191, 193, 197, 199, etc.

What is the prime factorization of 36?

In the prime factorization of 36 = 2² x 3², the two is used as a factor two times and the three is used as a factor twice. When checking to see if a number is prime or not, you need only divide by those prime numbers that when squared remain less than the given number.

What is the factor of 48?

48 is a composite number. 48 = 1 x 48, 2 x 24, 3 x 16, 4 x 12, or 6 x 8. Factors of 48: 1, 2, 3, 4, 6, 8, 12, 16, 24, 48. Prime factorization: 48 = 2 x 2 x 2 x 2 x 3, which can also be written 48 = 24 x 3.

What is the prime factorization of 40?

40 is a composite number. 40 = 1 x 40, 2 x 20, 4 x 10, or 5 x 8. Factors of 40: 1, 2, 4, 5, 8, 10, 20, 40. Prime factorization: 40 = 2 x 2 x 2 x 5, which can also be written 2³ x 5.

What is the prime factorization of 39?

39 is a composite number. 39 = 1 x 39 or 3 x 13. Factors of 39: 1, 3, 13, 39. Prime factorization: 39 = 3 x 13.

What is the greatest perfect square factor of 40?

4

What are the factors of 40 and 16?

We found the factors and prime factorization of 16 and 40. The biggest common factor number is the GCF number. So the greatest common factor 16 and 40 is 8.

What can you divide 40 by?

Parity of 40 40 is an even number, because it is evenly divisible by 2: 40 / 2 = 20.

What is the common factor of 40 and 50?

We found the factors and prime factorization of 40 and 50. The biggest common factor number is the GCF number. So the greatest common factor 40 and 50 is 10.

What are the common factors of 40 and 100?

Greatest Common Factor of 40 and 100. Greatest common factor (GCF) of 40 and 100 is 20.

What are the factors of negative 40?

The list of Negative Factors of 40 are: -1, -2, -4, -5, -8, -10, -20, and -40.

Is 81 a perfect square?

A number is a perfect square (or a square number) if its square root is an integer; that is to say, it is the product of an integer with itself. Here, the square root of 81 is 9. Therefore, the square root of 81 is an integer, and as a consequence 81 is a perfect square.

What is the prime factorization of 30?

30 is a composite number. 30 = 1 x 30, 2 x 15, 3 x 10, or 5 x 6. Factors of 30: 1, 2, 3, 5, 6, 10, 15, 30. Prime factorization: 30 = 2 x 3 x 5.

What is the greatest common factor of 40 and 16?

The factors of 40 are 40, 20, 10, 8, 5, 4, 2, 1. The common factors of 16 and 40 are 8, 4, 2, 1, intersecting the two sets above. In the intersection factors of 16factors of 40 the greatest element is 8. Therefore, the greatest common factor of 16 and 40 is 8.

Is 43 a perfect square?

A number is a perfect square (or a square number) if its square root is an integer; that is to say, it is the product of an integer with itself. Here, the square root of 43 is about 6.557. Thus, the square root of 43 is not an integer, and therefore 43 is not a square number.

Is 43 odd or even?

You can divide 43 by two and if the result is an integer (whole number) then it is an even number. Otherwise, it is an odd number. 43 divided by 2 is 21.5, which is not an integer. Therefore, 43 is an odd number.

You Might Also Like