Q: What are the prime factors of the number 741,168?

 A: 2, 3, 5147

Why are those the prime factors of the number 741,168?

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 741,168

741,168
Factor Arrows
2370,584
Factor Arrows
2185,292
Factor Arrows
292,646
Factor Arrows
246,323
Factor Arrows
315,441
Factor Arrows
35,147

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, 5147

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 3 x 5,147 = 741,168

This can also be written as 24 x 32 x 5,1471 = 741,168

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


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