Q: What are the prime factors of the number 701,281,248?

 A: 2, 3, 29, 251897

Why are those the prime factors of the number 701,281,248?

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 701,281,248

701,281,248
Factor Arrows
2350,640,624
Factor Arrows
2175,320,312
Factor Arrows
287,660,156
Factor Arrows
243,830,078
Factor Arrows
221,915,039
Factor Arrows
37,305,013
Factor Arrows
29251,897

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, 29, 251897

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 29 x 251,897 = 701,281,248

This can also be written as 25 x 31 x 291 x 251,8971 = 701,281,248

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


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