Q: What are the prime factors of the number 102,455,276?

 A: 2, 7, 11, 47521

Why are those the prime factors of the number 102,455,276?

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 102,455,276

102,455,276
Factor Arrows
251,227,638
Factor Arrows
225,613,819
Factor Arrows
73,659,117
Factor Arrows
7522,731
Factor Arrows
1147,521

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, 7, 11, 47521

We can check our work by multiplying all of the prime factors together: 2 x 2 x 7 x 7 x 11 x 47,521 = 102,455,276

This can also be written as 22 x 72 x 111 x 47,5211 = 102,455,276

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


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