Q: What are the prime factors of the number 660,153,050?

 A: 2, 5, 89, 109, 1361

Why are those the prime factors of the number 660,153,050?

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 660,153,050

660,153,050
Factor Arrows
2330,076,525
Factor Arrows
566,015,305
Factor Arrows
513,203,061
Factor Arrows
89148,349
Factor Arrows
1091,361

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, 89, 109, 1361

We can check our work by multiplying all of the prime factors together: 2 x 5 x 5 x 89 x 109 x 1,361 = 660,153,050

This can also be written as 21 x 52 x 891 x 1091 x 1,3611 = 660,153,050

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


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