Q: What are the prime factors of the number 701,777,450?

 A: 2, 5, 11, 83, 15373

Why are those the prime factors of the number 701,777,450?

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 701,777,450

701,777,450
Factor Arrows
2350,888,725
Factor Arrows
570,177,745
Factor Arrows
514,035,549
Factor Arrows
111,275,959
Factor Arrows
8315,373

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, 11, 83, 15373

We can check our work by multiplying all of the prime factors together: 2 x 5 x 5 x 11 x 83 x 15,373 = 701,777,450

This can also be written as 21 x 52 x 111 x 831 x 15,3731 = 701,777,450

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


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