Q: What are the prime factors of the number 442,421,352?

 A: 2, 3, 8429

Why are those the prime factors of the number 442,421,352?

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 442,421,352

442,421,352
Factor Arrows
2221,210,676
Factor Arrows
2110,605,338
Factor Arrows
255,302,669
Factor Arrows
318,434,223
Factor Arrows
36,144,741
Factor Arrows
32,048,247
Factor Arrows
3682,749
Factor Arrows
3227,583
Factor Arrows
375,861
Factor Arrows
325,287
Factor Arrows
38,429

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, 8429

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 3 x 3 x 3 x 3 x 3 x 3 x 8,429 = 442,421,352

This can also be written as 23 x 38 x 8,4291 = 442,421,352

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


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