Q: What are the prime factors of the number 652,288?

 A: 2, 7, 13

Why are those the prime factors of the number 652,288?

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 652,288

652,288
Factor Arrows
2326,144
Factor Arrows
2163,072
Factor Arrows
281,536
Factor Arrows
240,768
Factor Arrows
220,384
Factor Arrows
210,192
Factor Arrows
25,096
Factor Arrows
22,548
Factor Arrows
21,274
Factor Arrows
2637
Factor Arrows
791
Factor Arrows
713

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, 13

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 2 x 2 x 2 x 7 x 7 x 13 = 652,288

This can also be written as 210 x 72 x 131 = 652,288

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


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