Q: What are the prime factors of the number 743,133,472?

 A: 2, 19, 1222259

Why are those the prime factors of the number 743,133,472?

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 743,133,472

743,133,472
Factor Arrows
2371,566,736
Factor Arrows
2185,783,368
Factor Arrows
292,891,684
Factor Arrows
246,445,842
Factor Arrows
223,222,921
Factor Arrows
191,222,259

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, 19, 1222259

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 19 x 1,222,259 = 743,133,472

This can also be written as 25 x 191 x 1,222,2591 = 743,133,472

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


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