Q: What are the prime factors of the number 31,054,360?

 A: 2, 5, 19, 29, 1409

Why are those the prime factors of the number 31,054,360?

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 31,054,360

31,054,360
Factor Arrows
215,527,180
Factor Arrows
27,763,590
Factor Arrows
23,881,795
Factor Arrows
5776,359
Factor Arrows
1940,861
Factor Arrows
291,409

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, 5, 19, 29, 1409

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 5 x 19 x 29 x 1,409 = 31,054,360

This can also be written as 23 x 51 x 191 x 291 x 1,4091 = 31,054,360

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


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