Q: What are the prime factors of the number 153,264?

 A: 2, 3, 31, 103

Why are those the prime factors of the number 153,264?

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 153,264

153,264
Factor Arrows
276,632
Factor Arrows
238,316
Factor Arrows
219,158
Factor Arrows
29,579
Factor Arrows
33,193
Factor Arrows
31103

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, 31, 103

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 31 x 103 = 153,264

This can also be written as 24 x 31 x 311 x 1031 = 153,264

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


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