# What is a Prime Number? Definition Poster

What is a Prime Number? Prime Numbers 1-100 and The First 100 Primes. Math Wall Posters.

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# What is a Prime Number?

Free Math Vocab Wall Posters What is a Prime Number?

What is a Prime Number?

A prime number can ONLY be divided by itself AND one. Primes have two distinct factors, themselves and one.

So when someone asks, ‘Is 1 a prime number?’ You can confidently say no and refer them to the poster below and mention how ‘itself’ IS one 😉 What is a Prime Number? Prime Numbers 1 to 100

### List of Primes from 1 to 100 – A Poster for the Math Wall

The list of primes from 1 to 100 is shown in blue on the poster above. Did we get them all? The First 100 Prime Numbers

### THE FIRST 100 PRIME NUMBERS?

This poster lists the first 100 prime numbers and encourages students to explore the properties of numbers.

If a number ends with 0, 2, 4, 6 or 8 it is EVEN.

If a number ends with 5 or 0 it can be divided by 5. (Except for 5 itself)

Hint – Have a look at the last digit of each number and apply the above rules.

Have we made a mistake with any of the numbers listed above?

This poster can be added to your Math Vocabulary Display as a form of Math Help reference material 🙂

Where to Next?

– Maybe you’d like a poster that answers, ‘Is One a Prime Number?’
‘Is Two a Prime Number?’

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