Q: What are the prime factors of the number 423,445,032?

 A: 2, 3, 251, 23431

Why are those the prime factors of the number 423,445,032?

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 423,445,032

423,445,032
Factor Arrows
2211,722,516
Factor Arrows
2105,861,258
Factor Arrows
252,930,629
Factor Arrows
317,643,543
Factor Arrows
35,881,181
Factor Arrows
25123,431

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, 251, 23431

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 251 x 23,431 = 423,445,032

This can also be written as 23 x 32 x 2511 x 23,4311 = 423,445,032

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


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