Q: What are the prime factors of the number 82,941,770?

 A: 2, 5, 41, 89, 2273

Why are those the prime factors of the number 82,941,770?

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 82,941,770

82,941,770
Factor Arrows
241,470,885
Factor Arrows
58,294,177
Factor Arrows
41202,297
Factor Arrows
892,273

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, 5, 41, 89, 2273

We can check our work by multiplying all of the prime factors together: 2 x 5 x 41 x 89 x 2,273 = 82,941,770

This can also be written as 21 x 51 x 411 x 891 x 2,2731 = 82,941,770

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


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