What number has exactly 12 factors?

This means that 60, 72, and 84 should be the smallest three numbers with 12 factors.

What number has more than 12 factors?

Examples

n	d(n)	Divisors of n
36	9	1, 2, 3, 4, 6, 9, 12, 18, 36
48	10	1, 2, 3, 4, 6, 8, 12, 16, 24, 48
60	12	1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60
120	16	1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120

What are the 5 numbers between 1 and 100 that have 12 factors?

Hence there are 5 two digit numbers having exactly 12 factors – 60,72,84,90,96.

What is the sum of the digits of the smallest number which has exactly 12 factors in it?

Originally Answered: What number has exactly 12 factors? But you can get larger answers by substituting other primes for 2,3,5 in the above expressions. By the way the twelve factors of 60 are: 1,2,3,4,5,6,10,12,15,20,30, and 60. The sum of the proper divisors is 78 which makes 60 an with abundance 18.

How many factors does 12 have?

six factors
So, 12 has six factors — 1, 2, 3, 4, 6, and 12 — but only two of them (2 and 3) are prime, so it has only two prime factors.

Is 12 a factor or a multiple of 12?

We know that 12 is a factor of 12, and also 12 is a multiple of 12.

What is the factor of 3?

Factors of 3 are 1 and 3 only.

What numbers can go into 81?

Factors of 81 are 1, 3, 9, 27, and 81.

What is a factor of 45?

All the factors of 45 are 1, 3, 5, 9, 15, and 45. Prime factorization of 45 is 45 = 32 × 5.

What are the composite factors of 12?

Definitions

factors of 10:	1 x 10, 2 x 5	10 is composite
factors of 11:	1 x 11	11 is prime
factors of 12:	1 x 12, 2 x 6, 3 x 4	12 is composite
factors of 13:	1 x 13	13 is prime
factors of 14:	1 x 14, 2 x 7	14 is composite

What number has exactly 10 factors?

2048 is the smallest number with exactly 10 proper divisors.