Q: What are the prime factors of the number 101,658,752?

 A: 2, 13, 199, 307

Why are those the prime factors of the number 101,658,752?

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 101,658,752

101,658,752
Factor Arrows
250,829,376
Factor Arrows
225,414,688
Factor Arrows
212,707,344
Factor Arrows
26,353,672
Factor Arrows
23,176,836
Factor Arrows
21,588,418
Factor Arrows
2794,209
Factor Arrows
1361,093
Factor Arrows
199307

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, 13, 199, 307

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 13 x 199 x 307 = 101,658,752

This can also be written as 27 x 131 x 1991 x 3071 = 101,658,752

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


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