Q: What are the prime factors of the number 64,144,116?

 A: 2, 3, 257, 2311

Why are those the prime factors of the number 64,144,116?

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 64,144,116

64,144,116
Factor Arrows
232,072,058
Factor Arrows
216,036,029
Factor Arrows
35,345,343
Factor Arrows
31,781,781
Factor Arrows
3593,927
Factor Arrows
2572,311

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, 2311

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 3 x 257 x 2,311 = 64,144,116

This can also be written as 22 x 33 x 2571 x 2,3111 = 64,144,116

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


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