Q: What are the prime factors of the number 151,111,600?

 A: 2, 5, 377779

Why are those the prime factors of the number 151,111,600?

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 151,111,600

151,111,600
Factor Arrows
275,555,800
Factor Arrows
237,777,900
Factor Arrows
218,888,950
Factor Arrows
29,444,475
Factor Arrows
51,888,895
Factor Arrows
5377,779

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, 5, 377779

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 5 x 5 x 377,779 = 151,111,600

This can also be written as 24 x 52 x 377,7791 = 151,111,600

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


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