Q: What are the prime factors of the number 61,508,325?

 A: 3, 5, 23, 181, 197

Why are those the prime factors of the number 61,508,325?

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 61,508,325

61,508,325
Factor Arrows
320,502,775
Factor Arrows
54,100,555
Factor Arrows
5820,111
Factor Arrows
2335,657
Factor Arrows
181197

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:

3, 5, 23, 181, 197

We can check our work by multiplying all of the prime factors together: 3 x 5 x 5 x 23 x 181 x 197 = 61,508,325

This can also be written as 31 x 52 x 231 x 1811 x 1971 = 61,508,325

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


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