Q: What are the prime factors of the number 524,522,400?

 A: 2, 3, 5, 218551

Why are those the prime factors of the number 524,522,400?

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 524,522,400

524,522,400
Factor Arrows
2262,261,200
Factor Arrows
2131,130,600
Factor Arrows
265,565,300
Factor Arrows
232,782,650
Factor Arrows
216,391,325
Factor Arrows
35,463,775
Factor Arrows
51,092,755
Factor Arrows
5218,551

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, 218551

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 5 x 5 x 218,551 = 524,522,400

This can also be written as 25 x 31 x 52 x 218,5511 = 524,522,400

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


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