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andrew11 [14]
3 years ago
14

Write the prime factorization of the number 45

Mathematics
2 answers:
Anni [7]3 years ago
7 0
The prime factorization of a number means to factor out the number into multiples of primes.
Let's factor out 45.

45: 1 x 45, 3 x 15, 5 x 9.

Now we have 2 pairs of factors that can be broken down; 3&15, and 5&9.
Let's use 5 and 9.
9 can be broken down into 3 x 3.
We now have 5 x 3 x 3.
This is our factors into primes.

Your prime factorization of 45 is:
3 x 3 x 5.

I hope this helps!
Gnom [1K]3 years ago
7 0
5 times 3 times 3 is the correct answer or 5*3*3
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