Q: What are the prime factors of the number 155,601,984?

 A: 2, 3, 810427

Why are those the prime factors of the number 155,601,984?

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 155,601,984

155,601,984
Factor Arrows
277,800,992
Factor Arrows
238,900,496
Factor Arrows
219,450,248
Factor Arrows
29,725,124
Factor Arrows
24,862,562
Factor Arrows
22,431,281
Factor Arrows
3810,427

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, 810427

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 3 x 810,427 = 155,601,984

This can also be written as 26 x 31 x 810,4271 = 155,601,984

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


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