Q: What are the prime factors of the number 177,530,808?

 A: 2, 3, 7, 13, 29, 2803

Why are those the prime factors of the number 177,530,808?

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 177,530,808

177,530,808
Factor Arrows
288,765,404
Factor Arrows
244,382,702
Factor Arrows
222,191,351
Factor Arrows
37,397,117
Factor Arrows
71,056,731
Factor Arrows
1381,287
Factor Arrows
292,803

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, 13, 29, 2803

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 7 x 13 x 29 x 2,803 = 177,530,808

This can also be written as 23 x 31 x 71 x 131 x 291 x 2,8031 = 177,530,808

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


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