Q: What are the prime factors of the number 22,177,776?

 A: 2, 3, 131, 3527

Why are those the prime factors of the number 22,177,776?

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 22,177,776

22,177,776
Factor Arrows
211,088,888
Factor Arrows
25,544,444
Factor Arrows
22,772,222
Factor Arrows
21,386,111
Factor Arrows
3462,037
Factor Arrows
1313,527

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, 131, 3527

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 131 x 3,527 = 22,177,776

This can also be written as 24 x 31 x 1311 x 3,5271 = 22,177,776

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


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