Q: What are the prime factors of the number 414,645,245?

 A: 5, 7, 67, 151, 1171

Why are those the prime factors of the number 414,645,245?

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 414,645,245

414,645,245
Factor Arrows
582,929,049
Factor Arrows
711,847,007
Factor Arrows
67176,821
Factor Arrows
1511,171

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:

5, 7, 67, 151, 1171

We can check our work by multiplying all of the prime factors together: 5 x 7 x 67 x 151 x 1,171 = 414,645,245

This can also be written as 51 x 71 x 671 x 1511 x 1,1711 = 414,645,245

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


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