Q: What are the prime factors of the number 61,434,045?

 A: 3, 5, 59, 857

Why are those the prime factors of the number 61,434,045?

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 61,434,045

61,434,045
Factor Arrows
320,478,015
Factor Arrows
36,826,005
Factor Arrows
32,275,335
Factor Arrows
3758,445
Factor Arrows
3252,815
Factor Arrows
550,563
Factor Arrows
59857

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, 59, 857

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 3 x 5 x 59 x 857 = 61,434,045

This can also be written as 35 x 51 x 591 x 8571 = 61,434,045

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


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