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For 21: 3,7

For 51: 3,17

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7y ago
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7y ago

21 = 3*751 = 3*17

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Q: What are the prime factors of 21 51?
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Related questions

What is the prime factors for 51?

The prime factors are: 3 x 17


What are the factors of 21 and 51?

The factors of 21 are: 1, 3, 7, 21 The factors of 51 are: 1, 3, 17, 51


What are all the prime factors of 51?

51 has two prime factors: 3 and 17


What are the prime factors of 51?

51 = 3*17, which is the prime factorization. Thus, the prime factors of 51 are 3 and 17. Prime factors are factors that are prime. (They don't have any factors themselves except for 1 and themselves.)3 x 17


What are the common factors of 21 and 51?

The common factors of 21 and 51 are: 1 and 3


Is 51 prime?

No, 51 is not prime. 51's factors are 1, 3, 17, and 51. 17*3=51.


What are the factor and prime factors of 51?

Factors of 51: 1, 3, 17, and 51 3 and 17 are prime.


Prime factorization for 90 using exponent?

The prime factors of 90 in exponential form are 21 x 32 x 51.


What are the factors and prime factors of 39 and 51?

The factors of 39 are 1, 3, 13, and 39. Its prime factors are 3 x 13. The factors of 51 are 1, 3, 17, and 51. Its prime factors are 3 x 17.


What are the factors of 51 and 77?

The factors of 51 are: 1, 3, 17, and 51.The prime factors of 51 are: 3 and 17.The factors of 77 are: 1, 7, 11, and 77.The prime factors of 77 are: 7 and 11.


What are the factors of 34 and 51?

The factors of 34 are: 1, 2, 17, and 34.The prime factors of 34 are: 2 and 17.The factors of 51 are: 1, 3, 17, and 51.The prime factors of 51 are: 3 and 17.


What number is a prime number 91 51 31 21?

31 is the only one that has only two factors: 1 and itself. It is the prime number.