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Q: The number ten has four factors. What is the next number with exactly four factors?

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8

The number 9: factors are 9, 3, and 1.

The Answer Is Actually 26 not 24 Because The Factors Of 24 Are: 1,2,4,6,12 and 24 Where as 26 Has: 1,2,13, 26!

26

48 has ten factors, 60 and 72 have twelve apiece, 80 is the next one with exactly ten.

9 The three factors are 1, 3, and 9. 9 The three factors are 1, 3, and 9.

the answer is 25 because you're asking for a number greater than 12 and smaller than 40 and has exactly 3 factors so in that case 25 is the only one.

The next square number after ten (which is not a square number) is 16. Sixteen has five factors.

Just look for one that the squares are prime numbers... for example 4 is 2x2. 2 are prime. So next should be 3 the factors of 9 are 1, 3, 9

The next whole number or integer after 4 is 5

9

The number is 105 (3 x 5 x 7). The next number that is the product of 3 odd primes is 165 (3 x 5 x 11).

9

A perfect number is a number whose positive integer factors, other than itself, when added together, total the number itself. Therefore, the factors of 6 are 1, 2, and 3. Since 1 + 2 + 3 = 6, 6 is a perfect number. The next four perfect numbers, after 6, are: 28, 496, 8128, 33550336

The only numbers which have exactly three factors are perfect squares of prime numbers. That only gives us two results: 5^2 = 25 7^2 = 49 The squares of any other prime numbers are either too small or too large to have two digits. (The next smaller prime number is 3, and the next larger prime number is 11.)

18, 22, 26 and 30 have two of the same factors as 16.

169

Four times exactly. Use a calculator next time.

A perfect number is a number that is the sum of all its proper factors (that is all its factors excluding itself). The next perfect number after 28 is 496

It is: 25 that is the next square number

Those are the factors of the number 60, in descending order. The next factor is 10.

You Round up to the next higher number

121

121

The number of factors of a number is calculated as the product of the powers of the number written in power format increased by 1. As there are required to be 5 factors, and as 5 is a prime, it can only be achieved if the number has a prime factorisation which is a single prime raised to the 4th power. The smallest prime is 2, and 2⁴ = 16 The next prime is 3, and 3⁴ = 81 which is too big. → the required number is 16 (which has the 5 factors 1, 2, 4, 8, 16).