Q: What are the prime factors of the number 158,545,732?

 A: 2, 79, 109, 4603

Why are those the prime factors of the number 158,545,732?

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 158,545,732

158,545,732
Factor Arrows
279,272,866
Factor Arrows
239,636,433
Factor Arrows
79501,727
Factor Arrows
1094,603

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, 79, 109, 4603

We can check our work by multiplying all of the prime factors together: 2 x 2 x 79 x 109 x 4,603 = 158,545,732

This can also be written as 22 x 791 x 1091 x 4,6031 = 158,545,732

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


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