Q: What are the prime factors of the number 61,744,576?

 A: 2, 53, 109, 167

Why are those the prime factors of the number 61,744,576?

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 61,744,576

61,744,576
Factor Arrows
230,872,288
Factor Arrows
215,436,144
Factor Arrows
27,718,072
Factor Arrows
23,859,036
Factor Arrows
21,929,518
Factor Arrows
2964,759
Factor Arrows
5318,203
Factor Arrows
109167

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, 53, 109, 167

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 53 x 109 x 167 = 61,744,576

This can also be written as 26 x 531 x 1091 x 1671 = 61,744,576

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


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