Q: What are the prime factors of the number 122,101,230?

 A: 2, 3, 5, 1901, 2141

Why are those the prime factors of the number 122,101,230?

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 122,101,230

122,101,230
Factor Arrows
261,050,615
Factor Arrows
320,350,205
Factor Arrows
54,070,041
Factor Arrows
1,9012,141

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, 1901, 2141

We can check our work by multiplying all of the prime factors together: 2 x 3 x 5 x 1,901 x 2,141 = 122,101,230

This can also be written as 21 x 31 x 51 x 1,9011 x 2,1411 = 122,101,230

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


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