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3 x 3 x 71 are the prime factors. You should now be able to calculate the composites...

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Q: What are the factors and prime factors of 639?
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Related questions

Is 639 a prime or composite number?

639 is a composite number. Its positive integer factors are: 1, 3, 9, 71, 213, 639


What are the factor pairs of 639?

Separate the number into prime factors. Then it should be easy to get ALL the factors, simply by combining different prime factors.


What is the prime factorization of 639?

639 = 32 x 71


Is 639 prime?

639 divded by 3 is 213 s no 1 x 639 or 3 x 213


How many factors does 639 have?

Six factors.


What are factors of 639?

1, 3, 9, 71, 213, 639


What is the hcf of 196?

i really need help on maths home work can you help me thank you the maths is hcf of prime factors of 196 60 and 28 primes factors 735 and 639 prim factors


What are the factors of 2397?

1, 639 Then by inspection of the number 639 , we note that each number is a multiple of '3' . So '3' is a factor. Also , slightly more 'tricky'. If we add the digits of 639 ; 6 + 3 + 9 = 18 1 + 8 = 9 . This means that the number has '9' is a factor. NB This only applies to factors/multiples of '9' Finally, divide 639 by 71 and/or 213 . If you have a whole number answer (No decimals), then those numbers are also factors of 639. Hence 639/71 = 9 & 329 / 213 = 3 So allthe given numbers are factors of 639.


What is the sum of the first 20 prime numbers?

600 * * * * * It is, in fact, 639


How are prime factors and factors related?

Prime factors are factors that are also prime numbers.


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