Q: What are the prime factors of the number 743,232?

 A: 2, 3, 7, 79

Why are those the prime factors of the number 743,232?

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 743,232

743,232
Factor Arrows
2371,616
Factor Arrows
2185,808
Factor Arrows
292,904
Factor Arrows
246,452
Factor Arrows
223,226
Factor Arrows
211,613
Factor Arrows
33,871
Factor Arrows
7553
Factor Arrows
779

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, 79

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 3 x 7 x 7 x 79 = 743,232

This can also be written as 26 x 31 x 72 x 791 = 743,232

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


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