Q: What are the prime factors of the number 741,555,072?

 A: 2, 3, 241, 2671

Why are those the prime factors of the number 741,555,072?

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 741,555,072

741,555,072
Factor Arrows
2370,777,536
Factor Arrows
2185,388,768
Factor Arrows
292,694,384
Factor Arrows
246,347,192
Factor Arrows
223,173,596
Factor Arrows
211,586,798
Factor Arrows
25,793,399
Factor Arrows
31,931,133
Factor Arrows
3643,711
Factor Arrows
2412,671

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, 241, 2671

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 3 x 3 x 241 x 2,671 = 741,555,072

This can also be written as 27 x 32 x 2411 x 2,6711 = 741,555,072

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


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