Q: What are the prime factors of the number 10,101,672?

 A: 2, 3, 7, 17, 131

Why are those the prime factors of the number 10,101,672?

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 10,101,672

10,101,672
Factor Arrows
25,050,836
Factor Arrows
22,525,418
Factor Arrows
21,262,709
Factor Arrows
3420,903
Factor Arrows
3140,301
Factor Arrows
346,767
Factor Arrows
315,589
Factor Arrows
72,227
Factor Arrows
17131

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, 7, 17, 131

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 3 x 3 x 7 x 17 x 131 = 10,101,672

This can also be written as 23 x 34 x 71 x 171 x 1311 = 10,101,672

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


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