Q: What are the prime factors of the number 172,753,282?

 A: 2, 13, 19, 149, 2347

Why are those the prime factors of the number 172,753,282?

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 172,753,282

172,753,282
Factor Arrows
286,376,641
Factor Arrows
136,644,357
Factor Arrows
19349,703
Factor Arrows
1492,347

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, 13, 19, 149, 2347

We can check our work by multiplying all of the prime factors together: 2 x 13 x 19 x 149 x 2,347 = 172,753,282

This can also be written as 21 x 131 x 191 x 1491 x 2,3471 = 172,753,282

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


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