Q: What are the prime factors of the number 7,125,888?

 A: 2, 3, 7, 11, 241

Why are those the prime factors of the number 7,125,888?

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 7,125,888

7,125,888
Factor Arrows
23,562,944
Factor Arrows
21,781,472
Factor Arrows
2890,736
Factor Arrows
2445,368
Factor Arrows
2222,684
Factor Arrows
2111,342
Factor Arrows
255,671
Factor Arrows
318,557
Factor Arrows
72,651
Factor Arrows
11241

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, 11, 241

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 2 x 3 x 7 x 11 x 241 = 7,125,888

This can also be written as 27 x 31 x 71 x 111 x 2411 = 7,125,888

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


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