Q: What are the prime factors of the number 741,404,644?

 A: 2, 73, 1283, 1979

Why are those the prime factors of the number 741,404,644?

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 741,404,644

741,404,644
Factor Arrows
2370,702,322
Factor Arrows
2185,351,161
Factor Arrows
732,539,057
Factor Arrows
1,2831,979

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, 73, 1283, 1979

We can check our work by multiplying all of the prime factors together: 2 x 2 x 73 x 1,283 x 1,979 = 741,404,644

This can also be written as 22 x 731 x 1,2831 x 1,9791 = 741,404,644

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


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