Q: What are the prime factors of the number 520,253,300?

 A: 2, 5, 7, 37, 53, 379

Why are those the prime factors of the number 520,253,300?

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 520,253,300

520,253,300
Factor Arrows
2260,126,650
Factor Arrows
2130,063,325
Factor Arrows
526,012,665
Factor Arrows
55,202,533
Factor Arrows
7743,219
Factor Arrows
3720,087
Factor Arrows
53379

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, 5, 7, 37, 53, 379

We can check our work by multiplying all of the prime factors together: 2 x 2 x 5 x 5 x 7 x 37 x 53 x 379 = 520,253,300

This can also be written as 22 x 52 x 71 x 371 x 531 x 3791 = 520,253,300

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


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