Q: What are the prime factors of the number 702,110,080?

 A: 2, 5, 7, 53, 2957

Why are those the prime factors of the number 702,110,080?

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 702,110,080

702,110,080
Factor Arrows
2351,055,040
Factor Arrows
2175,527,520
Factor Arrows
287,763,760
Factor Arrows
243,881,880
Factor Arrows
221,940,940
Factor Arrows
210,970,470
Factor Arrows
25,485,235
Factor Arrows
51,097,047
Factor Arrows
7156,721
Factor Arrows
532,957

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, 7, 53, 2957

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 5 x 7 x 53 x 2,957 = 702,110,080

This can also be written as 27 x 51 x 71 x 531 x 2,9571 = 702,110,080

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


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