Q: What are the prime factors of the number 42,960,192?

 A: 2, 3, 11, 20341

Why are those the prime factors of the number 42,960,192?

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 42,960,192

42,960,192
Factor Arrows
221,480,096
Factor Arrows
210,740,048
Factor Arrows
25,370,024
Factor Arrows
22,685,012
Factor Arrows
21,342,506
Factor Arrows
2671,253
Factor Arrows
3223,751
Factor Arrows
1120,341

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, 11, 20341

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 3 x 11 x 20,341 = 42,960,192

This can also be written as 26 x 31 x 111 x 20,3411 = 42,960,192

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


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