Q: What are the prime factors of the number 142,412,445?

 A: 3, 5, 7, 37, 4073

Why are those the prime factors of the number 142,412,445?

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 142,412,445

142,412,445
Factor Arrows
347,470,815
Factor Arrows
315,823,605
Factor Arrows
35,274,535
Factor Arrows
51,054,907
Factor Arrows
7150,701
Factor Arrows
374,073

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, 37, 4073

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 5 x 7 x 37 x 4,073 = 142,412,445

This can also be written as 33 x 51 x 71 x 371 x 4,0731 = 142,412,445

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


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