Q: What are the prime factors of the number 313,103,104?

 A: 2, 1223059

Why are those the prime factors of the number 313,103,104?

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 313,103,104

313,103,104
Factor Arrows
2156,551,552
Factor Arrows
278,275,776
Factor Arrows
239,137,888
Factor Arrows
219,568,944
Factor Arrows
29,784,472
Factor Arrows
24,892,236
Factor Arrows
22,446,118
Factor Arrows
21,223,059

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, 1223059

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 1,223,059 = 313,103,104

This can also be written as 28 x 1,223,0591 = 313,103,104

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


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