Q: What are the prime factors of the number 634,263,448?

 A: 2, 7, 13, 71, 1753

Why are those the prime factors of the number 634,263,448?

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 634,263,448

634,263,448
Factor Arrows
2317,131,724
Factor Arrows
2158,565,862
Factor Arrows
279,282,931
Factor Arrows
711,326,133
Factor Arrows
71,618,019
Factor Arrows
13124,463
Factor Arrows
711,753

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, 7, 13, 71, 1753

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 7 x 7 x 13 x 71 x 1,753 = 634,263,448

This can also be written as 23 x 72 x 131 x 711 x 1,7531 = 634,263,448

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


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