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

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

What are factors and primes?

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.

Whole number greater than one that has exactly two factors?

Any composite number will do. No primes!

What number below 40 has exactly three factors?

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

Numbers that have exactly three factors?

Squares of primes.

What is your number your number is a multiple of 5 and is less than 50 your number is between a pair of twin primes your number has exactly 8 factors?

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

What number is an odd number that is less than 160 that has exactly 3 different prime factors?

105 and the primes are 3, 5, and 7

What numbers have exactly 3 factors?

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

What number has exactly 3 prime different factors one which is 5 and is divisible by 11 the first digit is a square number the last two digits are different primes numbers?


What number is composite 15 17 19 0r 23?

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.

How many primes factors does the number 189 have?

Two distinct prime factors, four altogether.

Sets of factors for every number not prime?

All non prime numbers have factors that are primes.

What are 3 numbers less than 40 that have exactly 3 factors?

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).