Q: What are the prime factors of the number 613,632?

 A: 2, 3, 17, 47

Why are those the prime factors of the number 613,632?

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 613,632

613,632
Factor Arrows
2306,816
Factor Arrows
2153,408
Factor Arrows
276,704
Factor Arrows
238,352
Factor Arrows
219,176
Factor Arrows
29,588
Factor Arrows
24,794
Factor Arrows
22,397
Factor Arrows
3799
Factor Arrows
1747

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, 17, 47

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 3 x 17 x 47 = 613,632

This can also be written as 28 x 31 x 171 x 471 = 613,632

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


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