Q: What are the prime factors of the number 132,024,438?

 A: 2, 3, 7, 13, 67, 401

Why are those the prime factors of the number 132,024,438?

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 132,024,438

132,024,438
Factor Arrows
266,012,219
Factor Arrows
322,004,073
Factor Arrows
37,334,691
Factor Arrows
32,444,897
Factor Arrows
7349,271
Factor Arrows
1326,867
Factor Arrows
67401

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, 7, 13, 67, 401

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 7 x 13 x 67 x 401 = 132,024,438

This can also be written as 21 x 33 x 71 x 131 x 671 x 4011 = 132,024,438

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


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