Q: What are the prime factors of the number 155,411,410?

 A: 2, 5, 7, 11, 201833

Why are those the prime factors of the number 155,411,410?

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 155,411,410

155,411,410
Factor Arrows
277,705,705
Factor Arrows
515,541,141
Factor Arrows
72,220,163
Factor Arrows
11201,833

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, 7, 11, 201833

We can check our work by multiplying all of the prime factors together: 2 x 5 x 7 x 11 x 201,833 = 155,411,410

This can also be written as 21 x 51 x 71 x 111 x 201,8331 = 155,411,410

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


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