Q: What are the prime factors of the number 741,380,136?

 A: 2, 3, 7, 4412977

Why are those the prime factors of the number 741,380,136?

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 741,380,136

741,380,136
Factor Arrows
2370,690,068
Factor Arrows
2185,345,034
Factor Arrows
292,672,517
Factor Arrows
330,890,839
Factor Arrows
74,412,977

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, 4412977

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 7 x 4,412,977 = 741,380,136

This can also be written as 23 x 31 x 71 x 4,412,9771 = 741,380,136

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


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