Q: What are the prime factors of the number 224,302,428?

 A: 2, 3, 7, 73, 89, 137

Why are those the prime factors of the number 224,302,428?

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 224,302,428

224,302,428
Factor Arrows
2112,151,214
Factor Arrows
256,075,607
Factor Arrows
318,691,869
Factor Arrows
36,230,623
Factor Arrows
7890,089
Factor Arrows
7312,193
Factor Arrows
89137

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, 73, 89, 137

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 7 x 73 x 89 x 137 = 224,302,428

This can also be written as 22 x 32 x 71 x 731 x 891 x 1371 = 224,302,428

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


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