Q: What are the prime factors of the number 3,116,232?

 A: 2, 3, 7, 229

Why are those the prime factors of the number 3,116,232?

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 3,116,232

3,116,232
Factor Arrows
21,558,116
Factor Arrows
2779,058
Factor Arrows
2389,529
Factor Arrows
3129,843
Factor Arrows
343,281
Factor Arrows
314,427
Factor Arrows
34,809
Factor Arrows
31,603
Factor Arrows
7229

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, 229

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 3 x 7 x 229 = 3,116,232

This can also be written as 23 x 35 x 71 x 2291 = 3,116,232

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


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