ShmoopTube

Where Monty Python meets your 10th grade teacher.

Search Thousands of Shmoop Videos


Operations & Algebraic Thinking Videos 5 videos

ACT Aspire Math: Applying Order of Operations to an Expression
0 Views

is equivalent to which of the following?

ACT Aspire Math: Solving for Cookies Remaining (Can We Have Some?)
0 Views

Jackie goes to the grocery store to buy snacks for a Girl Scout Wanna-Be party. She purchases 12 boxes of cookies, each of which contains 10 cookie...

ACT Aspire Math: Appreciating a Number in Its Prime
2 Views

Which of the following is a prime number?

See All

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

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

ACT Aspire Reading: Summarizing Events
64 Views

Which of the following sentences provides the best description of the events in the passage?

ACT Aspire Reading: Recognizing Explicit Details
25 Views

Lucy runs to the edge of Kensington Gardens because...

ACT Aspire Reading: Understanding Sequence of Events
17 Views

Immediately before Lucy lays her hand on her father's knee, she was...

ACT Aspire Reading: Identifying a Character's Emotions
12 Views

In contrast to Lucy's reaction to the lady, Mr. Rayburn's reaction is characterized by:

ACT Aspire Reading: What's Black and White and Read All Over?
3 Views

Mr. Rayburn is most likely reading the newspaper in order to: