Q: What are the prime factors of the number 61,241,466?

 A: 2, 3, 11, 13, 137, 521

Why are those the prime factors of the number 61,241,466?

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 61,241,466

61,241,466
Factor Arrows
230,620,733
Factor Arrows
310,206,911
Factor Arrows
11927,901
Factor Arrows
1371,377
Factor Arrows
137521

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, 13, 137, 521

We can check our work by multiplying all of the prime factors together: 2 x 3 x 11 x 13 x 137 x 521 = 61,241,466

This can also be written as 21 x 31 x 111 x 131 x 1371 x 5211 = 61,241,466

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


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