Q: What are the prime factors of the number 838,632,880?

 A: 2, 5, 61, 171851

Why are those the prime factors of the number 838,632,880?

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 838,632,880

838,632,880
Factor Arrows
2419,316,440
Factor Arrows
2209,658,220
Factor Arrows
2104,829,110
Factor Arrows
252,414,555
Factor Arrows
510,482,911
Factor Arrows
61171,851

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, 5, 61, 171851

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 5 x 61 x 171,851 = 838,632,880

This can also be written as 24 x 51 x 611 x 171,8511 = 838,632,880

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


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