Q: What are the prime factors of the number 19,202,064?

 A: 2, 3, 7, 57149

Why are those the prime factors of the number 19,202,064?

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 19,202,064

19,202,064
Factor Arrows
29,601,032
Factor Arrows
24,800,516
Factor Arrows
22,400,258
Factor Arrows
21,200,129
Factor Arrows
3400,043
Factor Arrows
757,149

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, 57149

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 57,149 = 19,202,064

This can also be written as 24 x 31 x 71 x 57,1491 = 19,202,064

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


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