Q: What are the prime factors of the number 136,376,232?

 A: 2, 3, 71, 163, 491

Why are those the prime factors of the number 136,376,232?

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 136,376,232

136,376,232
Factor Arrows
268,188,116
Factor Arrows
234,094,058
Factor Arrows
217,047,029
Factor Arrows
35,682,343
Factor Arrows
7180,033
Factor Arrows
163491

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, 71, 163, 491

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 71 x 163 x 491 = 136,376,232

This can also be written as 23 x 31 x 711 x 1631 x 4911 = 136,376,232

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


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