Q: What are the prime factors of the number 61,770,009?

 A: 3, 7, 719, 4091

Why are those the prime factors of the number 61,770,009?

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 61,770,009

61,770,009
Factor Arrows
320,590,003
Factor Arrows
72,941,429
Factor Arrows
7194,091

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, 7, 719, 4091

We can check our work by multiplying all of the prime factors together: 3 x 7 x 719 x 4,091 = 61,770,009

This can also be written as 31 x 71 x 7191 x 4,0911 = 61,770,009

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


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