Q: What are the prime factors of the number 176,261,760?

 A: 2, 3, 5, 71, 431

Why are those the prime factors of the number 176,261,760?

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 176,261,760

176,261,760
Factor Arrows
288,130,880
Factor Arrows
244,065,440
Factor Arrows
222,032,720
Factor Arrows
211,016,360
Factor Arrows
25,508,180
Factor Arrows
22,754,090
Factor Arrows
21,377,045
Factor Arrows
3459,015
Factor Arrows
3153,005
Factor Arrows
530,601
Factor Arrows
71431

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, 5, 71, 431

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 3 x 5 x 71 x 431 = 176,261,760

This can also be written as 27 x 32 x 51 x 711 x 4311 = 176,261,760

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


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