Q: What are the prime factors of the number 65,504,544?

 A: 2, 3, 7, 107, 911

Why are those the prime factors of the number 65,504,544?

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 65,504,544

65,504,544
Factor Arrows
232,752,272
Factor Arrows
216,376,136
Factor Arrows
28,188,068
Factor Arrows
24,094,034
Factor Arrows
22,047,017
Factor Arrows
3682,339
Factor Arrows
797,477
Factor Arrows
107911

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, 107, 911

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 7 x 107 x 911 = 65,504,544

This can also be written as 25 x 31 x 71 x 1071 x 9111 = 65,504,544

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


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