Q: What are the prime factors of the number 772,744,284?

 A: 2, 3, 13, 1651163

Why are those the prime factors of the number 772,744,284?

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 772,744,284

772,744,284
Factor Arrows
2386,372,142
Factor Arrows
2193,186,071
Factor Arrows
364,395,357
Factor Arrows
321,465,119
Factor Arrows
131,651,163

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, 13, 1651163

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 13 x 1,651,163 = 772,744,284

This can also be written as 22 x 32 x 131 x 1,651,1631 = 772,744,284

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


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