Q: What are the prime factors of the number 61,252,224?

 A: 2, 3, 11, 17, 853

Why are those the prime factors of the number 61,252,224?

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 61,252,224

61,252,224
Factor Arrows
230,626,112
Factor Arrows
215,313,056
Factor Arrows
27,656,528
Factor Arrows
23,828,264
Factor Arrows
21,914,132
Factor Arrows
2957,066
Factor Arrows
2478,533
Factor Arrows
3159,511
Factor Arrows
1114,501
Factor Arrows
17853

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, 11, 17, 853

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 2 x 3 x 11 x 17 x 853 = 61,252,224

This can also be written as 27 x 31 x 111 x 171 x 8531 = 61,252,224

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


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