Q: What are the prime factors of the number 122,166,570?

 A: 2, 3, 5, 23, 101, 1753

Why are those the prime factors of the number 122,166,570?

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 122,166,570

122,166,570
Factor Arrows
261,083,285
Factor Arrows
320,361,095
Factor Arrows
54,072,219
Factor Arrows
23177,053
Factor Arrows
1011,753

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, 5, 23, 101, 1753

We can check our work by multiplying all of the prime factors together: 2 x 3 x 5 x 23 x 101 x 1,753 = 122,166,570

This can also be written as 21 x 31 x 51 x 231 x 1011 x 1,7531 = 122,166,570

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


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