Q: What are the prime factors of the number 312,111,051?

 A: 3, 7, 557, 26683

Why are those the prime factors of the number 312,111,051?

Prime factors are the prime numbers that can be multipled together to equal the original number. You find the factors by dividing by prime numbers. It is best shown by creating a Factor Tree.

Factor Tree for the number 312,111,051

312,111,051
Factor Arrows
3104,037,017
Factor Arrows
714,862,431
Factor Arrows
55726,683

The numbers in bold above are the prime factors. If there are multiples, you only count them one time. This leads us to our prime factors of:

3, 7, 557, 26683

We can check our work by multiplying all of the prime factors together: 3 x 7 x 557 x 26,683 = 312,111,051

This can also be written as 31 x 71 x 5571 x 26,6831 = 312,111,051

If you would like to know more, or need additional explanation, please review our prime factorization explanation.


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