Q: What are the prime factors of the number 312,651,118?

 A: 2, 13, 19, 632897

Why are those the prime factors of the number 312,651,118?

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 312,651,118

312,651,118
Factor Arrows
2156,325,559
Factor Arrows
1312,025,043
Factor Arrows
19632,897

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:

2, 13, 19, 632897

We can check our work by multiplying all of the prime factors together: 2 x 13 x 19 x 632,897 = 312,651,118

This can also be written as 21 x 131 x 191 x 632,8971 = 312,651,118

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


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