Q: What are the prime factors of the number 10,211,264?

 A: 2, 7, 23, 991

Why are those the prime factors of the number 10,211,264?

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 10,211,264

10,211,264
Factor Arrows
25,105,632
Factor Arrows
22,552,816
Factor Arrows
21,276,408
Factor Arrows
2638,204
Factor Arrows
2319,102
Factor Arrows
2159,551
Factor Arrows
722,793
Factor Arrows
23991

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, 23, 991

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 7 x 23 x 991 = 10,211,264

This can also be written as 26 x 71 x 231 x 9911 = 10,211,264

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


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