Q: What are the prime factors of the number 8,902,208?

 A: 2, 7, 31, 641

Why are those the prime factors of the number 8,902,208?

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 8,902,208

8,902,208
Factor Arrows
24,451,104
Factor Arrows
22,225,552
Factor Arrows
21,112,776
Factor Arrows
2556,388
Factor Arrows
2278,194
Factor Arrows
2139,097
Factor Arrows
719,871
Factor Arrows
31641

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, 31, 641

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 31 x 641 = 8,902,208

This can also be written as 26 x 71 x 311 x 6411 = 8,902,208

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


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