Q: What are the prime factors of the number 316,302,112?

 A: 2, 7, 191, 7393

Why are those the prime factors of the number 316,302,112?

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 316,302,112

316,302,112
Factor Arrows
2158,151,056
Factor Arrows
279,075,528
Factor Arrows
239,537,764
Factor Arrows
219,768,882
Factor Arrows
29,884,441
Factor Arrows
71,412,063
Factor Arrows
1917,393

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, 7, 191, 7393

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 7 x 191 x 7,393 = 316,302,112

This can also be written as 25 x 71 x 1911 x 7,3931 = 316,302,112

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


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