Coursera Learner working on a presentation with Coursera logo and
Coursera Learner working on a presentation with Coursera logo and

A Prime Number is: 

an entire number that can’t be made by increasing other entire numbers 

(in case it can be realized by duplicating the other integers,then we are talking about a Composite Number) 

Furthermore, 1 isn’t prime and furthermore not composite. 

Here we see it in real life: 

Here is a rundown of all the prime numbers up to 1,000:

2357111317192329313741434753596167717379838997101103107109113127131137139149151157163167173179181191193197199211223227229233239241251257263269271277281283293307311313317331337347349353359367373379383389397401409419421431433439443449457461463467479487491499503509521523541547557563569571577587593599601607613617619631641643647653659661673677683691701709719727733739743751757761769773787797809811821823827829839853857859863877881883887907911919929937941947953967971977983991997 more…

Examples:

Is 8 a Prime Number? No, just because it can be made by 2×4=8

Is 73 a Prime Number? Yes, as no other whole numbers multiply together to make it.

Languages

Weekly newsletter

No spam. Just the latest releases and tips, interesting articles, and exclusive interviews in your inbox every week.