Q: What are the prime factors of the number 245,252,763?

 A: 3, 7, 67, 97, 599

Why are those the prime factors of the number 245,252,763?

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 245,252,763

245,252,763
Factor Arrows
381,750,921
Factor Arrows
327,250,307
Factor Arrows
73,892,901
Factor Arrows
6758,103
Factor Arrows
97599

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, 7, 67, 97, 599

We can check our work by multiplying all of the prime factors together: 3 x 3 x 7 x 67 x 97 x 599 = 245,252,763

This can also be written as 32 x 71 x 671 x 971 x 5991 = 245,252,763

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


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