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Q: What are factors and primes?

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

Squares of primes.

Squares of primes.

11 x 457

The prime factors of 52 are: 2 and 13

21 factors into the primes 3 and 7; 24 factors into the primes 3 and 23. Therefore, the highest common integral factor is 3.

Two distinct prime factors, four altogether.

All non prime numbers have factors that are primes.

All numbers that are the square of primes have exactly 3 factors.

12 in primes = 2 x 2 x 3

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

The numbers, 2 and 5, are co-primes because they both have just two factors, 1 and themselves.

1 and 13. 13 is a prime, and the factors of all primes are one and themselves.

Prime numbers have two factors. Squares of primes have three factors.

Both are primes, so the answer is 1.

The prime factors of 14 are 2 x 7.

Factors are prime numbers. The primes hidden in the number 30 are: 2,3, and 5.

The primes factors are of 21 are 3 x 7

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

The primes: 2,3,5,7,11,13,17 and 19.

Powers of primes

Numbers with three factors are squares of primes: 4, 9, 25

If p, q and r are distinct primes and n=pxqxr then n will have 8 factors, all of which will be positive since prime numbers are all positive, which are: n(pqr), pq, pr, qr, p, q, r and 1. Here there were 3 distinct primes so the number of positive factors is 2^3. In general if you had p distinct primes then you would have 2^p positive factors.

They are called co-primes.

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