Q: What are the prime factors of the number 250,154,464?

 A: 2, 7, 29, 97, 397

Why are those the prime factors of the number 250,154,464?

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 250,154,464

250,154,464
Factor Arrows
2125,077,232
Factor Arrows
262,538,616
Factor Arrows
231,269,308
Factor Arrows
215,634,654
Factor Arrows
27,817,327
Factor Arrows
71,116,761
Factor Arrows
2938,509
Factor Arrows
97397

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, 7, 29, 97, 397

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 7 x 29 x 97 x 397 = 250,154,464

This can also be written as 25 x 71 x 291 x 971 x 3971 = 250,154,464

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


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