Q: What are the prime factors of the number 152,302,644?

 A: 2, 3, 13, 421, 773

Why are those the prime factors of the number 152,302,644?

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 152,302,644

152,302,644
Factor Arrows
276,151,322
Factor Arrows
238,075,661
Factor Arrows
312,691,887
Factor Arrows
34,230,629
Factor Arrows
13325,433
Factor Arrows
421773

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, 421, 773

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 13 x 421 x 773 = 152,302,644

This can also be written as 22 x 32 x 131 x 4211 x 7731 = 152,302,644

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


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