Q: What are the prime factors of the number 701,238,285?

 A: 3, 5, 11, 613, 2311

Why are those the prime factors of the number 701,238,285?

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 701,238,285

701,238,285
Factor Arrows
3233,746,095
Factor Arrows
377,915,365
Factor Arrows
515,583,073
Factor Arrows
111,416,643
Factor Arrows
6132,311

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:

3, 5, 11, 613, 2311

We can check our work by multiplying all of the prime factors together: 3 x 3 x 5 x 11 x 613 x 2,311 = 701,238,285

This can also be written as 32 x 51 x 111 x 6131 x 2,3111 = 701,238,285

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


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