Q: What are the prime factors of the number 251,702,112?

 A: 2, 3, 2621897

Why are those the prime factors of the number 251,702,112?

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 251,702,112

251,702,112
Factor Arrows
2125,851,056
Factor Arrows
262,925,528
Factor Arrows
231,462,764
Factor Arrows
215,731,382
Factor Arrows
27,865,691
Factor Arrows
32,621,897

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, 2621897

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 2,621,897 = 251,702,112

This can also be written as 25 x 31 x 2,621,8971 = 251,702,112

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


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