Q: What are the prime factors of the number 64,562,512?

 A: 2, 7, 257, 2243

Why are those the prime factors of the number 64,562,512?

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 64,562,512

64,562,512
Factor Arrows
232,281,256
Factor Arrows
216,140,628
Factor Arrows
28,070,314
Factor Arrows
24,035,157
Factor Arrows
7576,451
Factor Arrows
2572,243

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, 7, 257, 2243

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 7 x 257 x 2,243 = 64,562,512

This can also be written as 24 x 71 x 2571 x 2,2431 = 64,562,512

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


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