A number with exactly two factors, 1 and the number itself.
What is a PRIME NUMBER?
100
Jorge has a prime number on his soccer jersey. Which of the following could NOT be Jorge's number?
37
23
15
29
15
100
What are ALL the factors of 56?
1, 2, 4, 7, 8, 14, 28 and 56
100
How do you know if something is divisible by 2?
It is an even number. (It ends in 0,2,4,6,8)
100
What is the prime factorization of 10?
2 X 5
200
A number with more than two factors.
What is a COMPOSITE NUMBER?
200
Which of the following is a PRIME NUMBER?
18
25
53
51
53
200
What are the PRIME FACTORS of 56?
2 and 7
200
How can you tell a number is divisible by 10?
What is it ends in a 0?
200
What is the prime factorization 16?
2 x 2 x 2 x 2
300
What is a composite number?
What is it has more than two factors?
300
List all of the PRIME FACTORS of 48.
2, 3
300
Alyson is racing at a go-cart track. The go-cart that she is driving has a COMPOSITE NUMBER. Which of the following could NOT be her go-cart number?
51
39
27
29
29
300
How can you tell if a number is divisible by 3?
What is you add the digits and if they are divisible by 3 without a remainder?
300
What is the prime factorization using exponents of 16?
What is 2 ^4
400
A number multiplied by another number to find a product.
What is a FACTOR?
400
List the PRIME FACTORS of 39.
3, 13
400
Name all the COMPOSITE NUMBERS from 0-20.
4, 6, 8, 9, 10, 12, 14, 15, 16, 18, 20
400
Is 423 divisible by 3?
Yes
4+2+3= 9
9 is divisble by 3
400
What is the prime factorization of 36 using exponents?
What is 2^2 X 3^3?
500
What is the definition of a prime number?
What is it has two factors - 1 and itself?
500
Maria's birthday falls on a day in August that is a PRIME NUMBER. Which of the following could be her birthday?
August 13
August 18
August 27
August 9
August 13
500
Meredith’s street address is a composite number less than 10 that can be formed by multiplying 2 different prime numbers. What is Meredith’s street address?
6
2 and 3 are the only two prime numbers whose product is less than 10
(2 x 3 = 6).