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Factors are whole numbers that divide exactly into a whole number. These numbers have no remainder. Primes, on the other hand, have exactly two factors which are 1 and itself.

Q: What are factors and primes?

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sure, just look at 13x17, that will be a multiple of both. But since both are primes, there are no common factors The LCM of 13 and 17 is 221( by Goldragon845)

Primes and composite numbers have two or more factors, including 1 and the number itself. 1 has only one factor, so it is neither a prime nor a composite number.

16 = 1+15, 3+13, 5+11, 7+92,3,5,7,11,13 are primes < 1616 = 3+13 or 5+11

66 = 2 x 3 x 11

409,457 = 71 x 73 x 79

Related questions

Six has four factors and is in between the twin primes 5 and 7.

11 x 457

Squares of primes.

Squares of primes.

squares of primes 4,9,25 and so on.

The prime factors of 360 are: 2,3,5

any combination of its primes: 2,3,3,11 2,3,6,9,11,18,22,33,66,99

Two distinct prime factors, four altogether.

All non prime numbers have factors that are primes.

12 in primes = 2 x 2 x 3

1,2,13,26 2 and 13 are prime.

The prime factors of 14 are 2 x 7.