Q: What are the prime factors of the number 160,303,536?

 A: 2, 3, 37, 3343

Why are those the prime factors of the number 160,303,536?

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 160,303,536

160,303,536
Factor Arrows
280,151,768
Factor Arrows
240,075,884
Factor Arrows
220,037,942
Factor Arrows
210,018,971
Factor Arrows
33,339,657
Factor Arrows
31,113,219
Factor Arrows
3371,073
Factor Arrows
3123,691
Factor Arrows
373,343

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, 37, 3343

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 3 x 3 x 3 x 37 x 3,343 = 160,303,536

This can also be written as 24 x 34 x 371 x 3,3431 = 160,303,536

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


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