Q: What are the prime factors of the number 63,385,146?

 A: 2, 3, 11, 17, 6277

Why are those the prime factors of the number 63,385,146?

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 63,385,146

63,385,146
Factor Arrows
231,692,573
Factor Arrows
310,564,191
Factor Arrows
33,521,397
Factor Arrows
31,173,799
Factor Arrows
11106,709
Factor Arrows
176,277

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, 11, 17, 6277

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 11 x 17 x 6,277 = 63,385,146

This can also be written as 21 x 33 x 111 x 171 x 6,2771 = 63,385,146

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


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