Q: What are the prime factors of the number 153,436,536?

 A: 2, 3, 11, 151, 1283

Why are those the prime factors of the number 153,436,536?

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 153,436,536

153,436,536
Factor Arrows
276,718,268
Factor Arrows
238,359,134
Factor Arrows
219,179,567
Factor Arrows
36,393,189
Factor Arrows
32,131,063
Factor Arrows
11193,733
Factor Arrows
1511,283

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, 11, 151, 1283

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 11 x 151 x 1,283 = 153,436,536

This can also be written as 23 x 32 x 111 x 1511 x 1,2831 = 153,436,536

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


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