Prime and Composite Numbers
What are the prime numbers from 0-10?
2, 3, 5, 7
What are the prime numbers from 21-30?
23, 29
Prime Number
A whole number greater than 0 that has exactly two different factors, 1 and itself.
What is a composite number?
A whole number that can be divided evenly other than one or itself.
Is 1 a prime number?
No
Is 10 a prime number?
No
Is 11 a prime number?
Yes
What is GCF?
the Greatest Common Factor, it is the biggest NUMBER that 2 or more numbers share
Are the numbers 1 and 0 (zero) prime or composite?
1 and 0 (zero) are NEITHER prime or composite
What are the prime numbers from 71-80?
71, 73, 79
What are the prime numbers from 81-90?
83, 89
Is 4 a prime number?
No
Is 9 a prime number?
No
Is 2 a prime number?
Yes
Is 3 a prime number?
Yes
Is 5 a prime number?
Yes