Q: What are the prime factors of the number 141,322,230?

 A: 2, 3, 5, 7, 101, 2221

Why are those the prime factors of the number 141,322,230?

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 141,322,230

141,322,230
Factor Arrows
270,661,115
Factor Arrows
323,553,705
Factor Arrows
37,851,235
Factor Arrows
51,570,247
Factor Arrows
7224,321
Factor Arrows
1012,221

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, 7, 101, 2221

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 5 x 7 x 101 x 2,221 = 141,322,230

This can also be written as 21 x 32 x 51 x 71 x 1011 x 2,2211 = 141,322,230

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


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