Q: What are the prime factors of the number 525,316,224?

 A: 2, 3, 257, 5323

Why are those the prime factors of the number 525,316,224?

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 525,316,224

525,316,224
Factor Arrows
2262,658,112
Factor Arrows
2131,329,056
Factor Arrows
265,664,528
Factor Arrows
232,832,264
Factor Arrows
216,416,132
Factor Arrows
28,208,066
Factor Arrows
24,104,033
Factor Arrows
31,368,011
Factor Arrows
2575,323

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, 257, 5323

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 3 x 257 x 5,323 = 525,316,224

This can also be written as 27 x 31 x 2571 x 5,3231 = 525,316,224

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


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