Q: What are the prime factors of the number 701,720?

 A: 2, 5, 53, 331

Why are those the prime factors of the number 701,720?

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 701,720

701,720
Factor Arrows
2350,860
Factor Arrows
2175,430
Factor Arrows
287,715
Factor Arrows
517,543
Factor Arrows
53331

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, 5, 53, 331

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 5 x 53 x 331 = 701,720

This can also be written as 23 x 51 x 531 x 3311 = 701,720

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


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