Q: What are the prime factors of the number 155,006,745?

 A: 3, 5, 233, 44351

Why are those the prime factors of the number 155,006,745?

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 155,006,745

155,006,745
Factor Arrows
351,668,915
Factor Arrows
510,333,783
Factor Arrows
23344,351

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:

3, 5, 233, 44351

We can check our work by multiplying all of the prime factors together: 3 x 5 x 233 x 44,351 = 155,006,745

This can also be written as 31 x 51 x 2331 x 44,3511 = 155,006,745

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


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