Q: What are the prime factors of the number 151,252,128?

 A: 2, 3, 17, 30893

Why are those the prime factors of the number 151,252,128?

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 151,252,128

151,252,128
Factor Arrows
275,626,064
Factor Arrows
237,813,032
Factor Arrows
218,906,516
Factor Arrows
29,453,258
Factor Arrows
24,726,629
Factor Arrows
31,575,543
Factor Arrows
3525,181
Factor Arrows
1730,893

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, 30893

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 3 x 17 x 30,893 = 151,252,128

This can also be written as 25 x 32 x 171 x 30,8931 = 151,252,128

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


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