Q: What are the prime factors of the number 40,210,065?

 A: 3, 5, 7, 107, 1193

Why are those the prime factors of the number 40,210,065?

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 40,210,065

40,210,065
Factor Arrows
313,403,355
Factor Arrows
34,467,785
Factor Arrows
5893,557
Factor Arrows
7127,651
Factor Arrows
1071,193

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, 7, 107, 1193

We can check our work by multiplying all of the prime factors together: 3 x 3 x 5 x 7 x 107 x 1,193 = 40,210,065

This can also be written as 32 x 51 x 71 x 1071 x 1,1931 = 40,210,065

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


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