Q: What are the prime factors of the number 761,064,336?

 A: 2, 3, 71, 919

Why are those the prime factors of the number 761,064,336?

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 761,064,336

761,064,336
Factor Arrows
2380,532,168
Factor Arrows
2190,266,084
Factor Arrows
295,133,042
Factor Arrows
247,566,521
Factor Arrows
315,855,507
Factor Arrows
35,285,169
Factor Arrows
31,761,723
Factor Arrows
3587,241
Factor Arrows
3195,747
Factor Arrows
365,249
Factor Arrows
71919

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, 71, 919

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 3 x 3 x 3 x 3 x 3 x 71 x 919 = 761,064,336

This can also be written as 24 x 36 x 711 x 9191 = 761,064,336

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


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