Q: What are the prime factors of the number 107,563,248?

 A: 2, 3, 13, 107, 179

Why are those the prime factors of the number 107,563,248?

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 107,563,248

107,563,248
Factor Arrows
253,781,624
Factor Arrows
226,890,812
Factor Arrows
213,445,406
Factor Arrows
26,722,703
Factor Arrows
32,240,901
Factor Arrows
3746,967
Factor Arrows
3248,989
Factor Arrows
1319,153
Factor Arrows
107179

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, 3, 13, 107, 179

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 3 x 3 x 13 x 107 x 179 = 107,563,248

This can also be written as 24 x 33 x 131 x 1071 x 1791 = 107,563,248

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


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