Q: What are the prime factors of the number 664,364,466?

 A: 2, 3, 71, 101, 5147

Why are those the prime factors of the number 664,364,466?

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 664,364,466

664,364,466
Factor Arrows
2332,182,233
Factor Arrows
3110,727,411
Factor Arrows
336,909,137
Factor Arrows
71519,847
Factor Arrows
1015,147

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, 71, 101, 5147

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 71 x 101 x 5,147 = 664,364,466

This can also be written as 21 x 32 x 711 x 1011 x 5,1471 = 664,364,466

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


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