Q: What are the prime factors of the number 312,742,016?

 A: 2, 239, 10223

Why are those the prime factors of the number 312,742,016?

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 312,742,016

312,742,016
Factor Arrows
2156,371,008
Factor Arrows
278,185,504
Factor Arrows
239,092,752
Factor Arrows
219,546,376
Factor Arrows
29,773,188
Factor Arrows
24,886,594
Factor Arrows
22,443,297
Factor Arrows
23910,223

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, 239, 10223

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 239 x 10,223 = 312,742,016

This can also be written as 27 x 2391 x 10,2231 = 312,742,016

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


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