Q: What are the prime factors of the number 150,272,928?

 A: 2, 3, 13, 17, 787

Why are those the prime factors of the number 150,272,928?

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 150,272,928

150,272,928
Factor Arrows
275,136,464
Factor Arrows
237,568,232
Factor Arrows
218,784,116
Factor Arrows
29,392,058
Factor Arrows
24,696,029
Factor Arrows
31,565,343
Factor Arrows
3521,781
Factor Arrows
3173,927
Factor Arrows
1313,379
Factor Arrows
17787

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, 13, 17, 787

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 3 x 13 x 17 x 787 = 150,272,928

This can also be written as 25 x 33 x 131 x 171 x 7871 = 150,272,928

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


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