Q: What are the prime factors of the number 64,165,200?

 A: 2, 3, 5, 11, 4861

Why are those the prime factors of the number 64,165,200?

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 64,165,200

64,165,200
Factor Arrows
232,082,600
Factor Arrows
216,041,300
Factor Arrows
28,020,650
Factor Arrows
24,010,325
Factor Arrows
31,336,775
Factor Arrows
5267,355
Factor Arrows
553,471
Factor Arrows
114,861

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, 5, 11, 4861

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 5 x 5 x 11 x 4,861 = 64,165,200

This can also be written as 24 x 31 x 52 x 111 x 4,8611 = 64,165,200

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


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