Q: What are the prime factors of the number 153,315,504?

 A: 2, 3, 47, 839

Why are those the prime factors of the number 153,315,504?

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 153,315,504

153,315,504
Factor Arrows
276,657,752
Factor Arrows
238,328,876
Factor Arrows
219,164,438
Factor Arrows
29,582,219
Factor Arrows
33,194,073
Factor Arrows
31,064,691
Factor Arrows
3354,897
Factor Arrows
3118,299
Factor Arrows
339,433
Factor Arrows
47839

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, 47, 839

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 3 x 47 x 839 = 153,315,504

This can also be written as 24 x 35 x 471 x 8391 = 153,315,504

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


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