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ACT Aspire Math: Finding the Prime Factorization of 120 4 Views
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Description:
Which of the following is the prime factorization of 120?
Transcript
- 00:03
Okay A ct asked firing math people Another drill for
- 00:06
you Here we go Which of the following is the
- 00:08
prime factory ization of one hundred twenty Strap that hundred
- 00:16
twenty on the table We're ready to dissect this imager
- 00:19
to find out what it's made of Finds the prime
Full Transcript
- 00:22
factory ization of a number by dividing as many twos
- 00:26
as we can at least a start And then as
- 00:28
many threes as we can and then as many fives
- 00:31
as we can and so on until we're left with
- 00:33
only prime numbers So this table shows that we can
- 00:36
divide by two three times divide by three onesie into
- 00:42
the fifteen there divide by five once and uh that's
- 00:47
it So the prime factors one hundred twenty equals two
- 00:50
to the third Three too The first times Five to
- 00:52
the first That's it We're done Excuse us These mathematical
- 00:56
operations can be messy business So that's it The answer
- 00:59
is a no
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