Q: What are the prime factors of the number 35,556,144?

 A: 2, 3, 13, 19, 2999

Why are those the prime factors of the number 35,556,144?

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 35,556,144

35,556,144
Factor Arrows
217,778,072
Factor Arrows
28,889,036
Factor Arrows
24,444,518
Factor Arrows
22,222,259
Factor Arrows
3740,753
Factor Arrows
1356,981
Factor Arrows
192,999

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, 13, 19, 2999

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 13 x 19 x 2,999 = 35,556,144

This can also be written as 24 x 31 x 131 x 191 x 2,9991 = 35,556,144

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


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