ShmoopTube
Where Monty Python meets your 10th grade teacher.
Search Thousands of Shmoop Videos
ACT Aspire Math Videos 91 videos
Given the following equation, what is x?)
At the local candy store down the street, three pounds of Hello Kitty gummy treats cost $6.42. At the candy store across town, five pounds of Hello...
How many hundredths are there in four tenths?
ACT Aspire Math: Appreciating a Number in Its Prime 2 Views
Share It!
Description:
Which of the following is a prime number?
Transcript
- 00:03
Okay Aspiring math people We've got a quick one for
- 00:06
you Question which of the following is a prime number
- 00:14
All right Remember prime numbers can only be divided by
- 00:16
one and itself so it's defined as any number with
- 00:19
strictly to factors itself And one got that if we
Full Transcript
- 00:23
drilled that into your brain with thes rules in mind
- 00:25
well let's just go through our answer choices One by
- 00:28
one zero can be divided by while literally any number
- 00:32
on the planet That's riel for relatively unexciting result of
- 00:36
zero So zero is not prime be one one may
- 00:40
look prime but remember that prime Numbers need 2 factors
- 00:44
1 is divisible by itself and one but since they're
- 00:46
the same number well a technically they don't count So
- 00:49
that's a no go On the other hand the number
- 00:51
two as in sea meets the criteria for prime numbers
- 00:54
perfectly because it's only factors are one into and that's
- 00:57
it So as it turns out to is the on
- 00:59
ly even prime number And that rules out for cause
- 01:02
of italy by one and two and four and finally
- 01:05
ninety three because it's divisible by while you could add
- 01:08
up the nine and three that gets you twelve and
- 01:11
twelve visible by three so right away we know it's
- 01:13
not crimes also visible by thirty one for you Strange
- 01:16
people in the back row with classes So that's it 00:01:18.322 --> [endTime] The answer is c were prime kind like amazon
Related Videos
Which of the following sentences provides the best description of the events in the passage?
Lucy runs to the edge of Kensington Gardens because...
Immediately before Lucy lays her hand on her father's knee, she was...
In contrast to Lucy's reaction to the lady, Mr. Rayburn's reaction is characterized by:
Mr. Rayburn is most likely reading the newspaper in order to: