Q: What are the prime factors of the number 612,177,408?

 A: 2, 3, 132851

Why are those the prime factors of the number 612,177,408?

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 612,177,408

612,177,408
Factor Arrows
2306,088,704
Factor Arrows
2153,044,352
Factor Arrows
276,522,176
Factor Arrows
238,261,088
Factor Arrows
219,130,544
Factor Arrows
29,565,272
Factor Arrows
24,782,636
Factor Arrows
22,391,318
Factor Arrows
21,195,659
Factor Arrows
3398,553
Factor Arrows
3132,851

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, 3, 132851

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 2 x 2 x 2 x 3 x 3 x 132,851 = 612,177,408

This can also be written as 29 x 32 x 132,8511 = 612,177,408

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


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