Q: What are the prime factors of the number 153,005,528?

 A: 2, 13, 199, 7393

Why are those the prime factors of the number 153,005,528?

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 153,005,528

153,005,528
Factor Arrows
276,502,764
Factor Arrows
238,251,382
Factor Arrows
219,125,691
Factor Arrows
131,471,207
Factor Arrows
1997,393

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, 13, 199, 7393

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 13 x 199 x 7,393 = 153,005,528

This can also be written as 23 x 131 x 1991 x 7,3931 = 153,005,528

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


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