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1, 2, 3, 6, 107, 214, 321, 642

2, 3 and 107 are prime.

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Related Questions

What are the prime factors for number 642?

They are: 2, 3 and 107


What is the prime number of 642?

The prime factorization of 642 is 2 x 3 x 107.


Is 642 a prime number?

Just by looking at it, without trying any factors to see if they work, you can see-- 642 is even, i.e. divisible by 2, since it ends in '2'-- 642 is divisible by 3, since its digits add up to (6+4+2) = 12 which is divisible by 3.Just looking at 642, you already know of at least 2 factors that it has besides '1' and itself,so it can't be a prime number.


Is 642 a prime or composite number?

The number 642 is not a prime number as it can be divided by 2 aswell as itself and one.


Is 642 prime or composite?

642 is composite. It is divisible by 2, 3, 107, 214, and 321.


What are the factors and prime factors of 6420?

The factors of 6420 are: 1 2 3 4 5 6 10 12 15 20 30 60 107 214 321 428 535 642 1070 1284 1605 2140 3210 6420 The prime factors are: 2 3 5 107


Is 642 prime?

No, the first give-away is that it is an even number (divisible by 2).


How are prime factors and factors related?

Prime factors are factors that are also prime numbers.


What are the prime factors of 40 and 64?

The factors of 24 are: 1, 2, 3, 4, 6, 8, 12, and 24.The prime factors of 24 are: 2 and 3.The factors of 64 are: 1, 2, 4, 8, 16, 32, and 64.The only prime factor of 64 is: 2.


What number less than 100 has exactly 4 prime factors?

There is more than one possible answer. The prime factors of 16 are 2, 2, 2, and 2. It has four prime factors, but only one distinct prime factor. The prime factors of 24 are 2, 2, 2, and 3. It has four prime factors, but only two distinct prime factors. The prime factors of 36 are 2, 2, 3, and 3. It has four prime factors, but only two distinct prime factors. The prime factors of 40 are 2, 2, 2, and 5. It has four prime factors, but only two distinct prime factors. The prime factors of 54 are 2, 3, 3, and 3. It has four prime factors, but only two distinct prime factors. The prime factors of 56 are 2, 2, 2, and 7. It has four prime factors, but only two distinct prime factors. The prime factors of 60 are 2, 2, 3, and 5. It has four prime factors, but only three distinct prime factors. The prime factors of 81 are 3, 3, 3, and 3. It has four prime factors, but only one distinct prime factor. The prime factors of 84 are 2, 2, 3, and 7. It has four prime factors, but only three distinct prime factors. The prime factors of 88 are 2, 2, 2, and 11. It has four prime factors, but only two distinct prime factors. The prime factors of 90 are 2, 3, 3, and 5. It has four prime factors, but only three distinct prime factors.


What are the prime factors of 336?

The prime factors of 336 are: 2,3,7


What are the factors and prime factors of 1993?

The factors of 1993 are: 1 1993 The prime factors are: 1993 is a prime number.