Q: What are the prime factors of the number 69,408?

 A: 2, 3, 241

Why are those the prime factors of the number 69,408?

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 69,408

69,408
Factor Arrows
234,704
Factor Arrows
217,352
Factor Arrows
28,676
Factor Arrows
24,338
Factor Arrows
22,169
Factor Arrows
3723
Factor Arrows
3241

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, 241

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 3 x 241 = 69,408

This can also be written as 25 x 32 x 2411 = 69,408

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


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