Q: What are the prime factors of the number 782,583,540?

 A: 2, 3, 5, 13043059

Why are those the prime factors of the number 782,583,540?

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 782,583,540

782,583,540
Factor Arrows
2391,291,770
Factor Arrows
2195,645,885
Factor Arrows
365,215,295
Factor Arrows
513,043,059

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, 3, 5, 13043059

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 5 x 13,043,059 = 782,583,540

This can also be written as 22 x 31 x 51 x 13,043,0591 = 782,583,540

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


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