Q: What are the prime factors of the number 245,254,528?

 A: 2, 1916051

Why are those the prime factors of the number 245,254,528?

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 245,254,528

245,254,528
Factor Arrows
2122,627,264
Factor Arrows
261,313,632
Factor Arrows
230,656,816
Factor Arrows
215,328,408
Factor Arrows
27,664,204
Factor Arrows
23,832,102
Factor Arrows
21,916,051

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, 1916051

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 1,916,051 = 245,254,528

This can also be written as 27 x 1,916,0511 = 245,254,528

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


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