Q: What are the prime factors of the number 410,304,420?

 A: 2, 3, 5, 101, 7523

Why are those the prime factors of the number 410,304,420?

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 410,304,420

410,304,420
Factor Arrows
2205,152,210
Factor Arrows
2102,576,105
Factor Arrows
334,192,035
Factor Arrows
311,397,345
Factor Arrows
33,799,115
Factor Arrows
5759,823
Factor Arrows
1017,523

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, 5, 101, 7523

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 3 x 5 x 101 x 7,523 = 410,304,420

This can also be written as 22 x 33 x 51 x 1011 x 7,5231 = 410,304,420

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


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