Q: What are the prime factors of the number 316,176,128?

 A: 2, 1235063

Why are those the prime factors of the number 316,176,128?

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 316,176,128

316,176,128
Factor Arrows
2158,088,064
Factor Arrows
279,044,032
Factor Arrows
239,522,016
Factor Arrows
219,761,008
Factor Arrows
29,880,504
Factor Arrows
24,940,252
Factor Arrows
22,470,126
Factor Arrows
21,235,063

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, 1235063

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 2 x 1,235,063 = 316,176,128

This can also be written as 28 x 1,235,0631 = 316,176,128

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


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