Q: What are the prime factors of the number 761,034,512?

 A: 2, 7, 17, 19, 109, 193

Why are those the prime factors of the number 761,034,512?

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 761,034,512

761,034,512
Factor Arrows
2380,517,256
Factor Arrows
2190,258,628
Factor Arrows
295,129,314
Factor Arrows
247,564,657
Factor Arrows
76,794,951
Factor Arrows
17399,703
Factor Arrows
1921,037
Factor Arrows
109193

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, 17, 19, 109, 193

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 7 x 17 x 19 x 109 x 193 = 761,034,512

This can also be written as 24 x 71 x 171 x 191 x 1091 x 1931 = 761,034,512

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


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