Q: What are the prime factors of the number 743,648?

 A: 2, 17, 1367

Why are those the prime factors of the number 743,648?

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 743,648

743,648
Factor Arrows
2371,824
Factor Arrows
2185,912
Factor Arrows
292,956
Factor Arrows
246,478
Factor Arrows
223,239
Factor Arrows
171,367

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, 17, 1367

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 17 x 1,367 = 743,648

This can also be written as 25 x 171 x 1,3671 = 743,648

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


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