Q: What are the prime factors of the number 761,010,558?

 A: 2, 3, 7, 11, 47, 101, 347

Why are those the prime factors of the number 761,010,558?

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 761,010,558

761,010,558
Factor Arrows
2380,505,279
Factor Arrows
3126,835,093
Factor Arrows
718,119,299
Factor Arrows
111,647,209
Factor Arrows
4735,047
Factor Arrows
101347

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, 7, 11, 47, 101, 347

We can check our work by multiplying all of the prime factors together: 2 x 3 x 7 x 11 x 47 x 101 x 347 = 761,010,558

This can also be written as 21 x 31 x 71 x 111 x 471 x 1011 x 3471 = 761,010,558

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


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