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

Q: What number is between a pair of twin primes and has exactly 4 factors?

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It's a multiple of 5, a multiple of 6 (since it's between twin primes), and less than 50. The only possibility is 30. To check: The factors of 30 are 1, 2, 3, 5, 6, 10, 15, and 30

Yes, twin primes are prime numbers that have a difference of two, so there is a composite number between them. It would be an even number.

Powers of primes

Assuming you are referring to the prime factors of the number, the product of the prime factors of any composite number is equal to the number itself.

Since there are infinitely many primes, there are infinitely many numbers that are products of 3 primes.

Related questions

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.

Any composite number will do. No primes!

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

Squares of primes.

It's a multiple of 5, a multiple of 6 (since it's between twin primes), and less than 50. The only possibility is 30. To check: The factors of 30 are 1, 2, 3, 5, 6, 10, 15, and 30

105 and the primes are 3, 5, and 7

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

935

15 has more than exactly two factors (1, 3, 5, and 15), therefore it is composite. 17, 19, and 23 each have exactly 2 factors (1 and the number itself), so they are primes.

Two distinct prime factors, four altogether.

All non prime numbers have factors that are primes.

The squares of all primes have exactly 3 factors. The squares of primes under 40 are 4 (1, 2, and 4), 9 (1, 3, and 9), and 25 (1, 5, and 25).