Q: What are the prime factors of the number 65,126,544?

 A: 2, 3, 7, 239, 811

Why are those the prime factors of the number 65,126,544?

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 65,126,544

65,126,544
Factor Arrows
232,563,272
Factor Arrows
216,281,636
Factor Arrows
28,140,818
Factor Arrows
24,070,409
Factor Arrows
31,356,803
Factor Arrows
7193,829
Factor Arrows
239811

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, 7, 239, 811

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 7 x 239 x 811 = 65,126,544

This can also be written as 24 x 31 x 71 x 2391 x 8111 = 65,126,544

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


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