Greatest Common Factor
What is the greatest common factor of 5 and 10?
5
True or False: Prime Numbers can be divided by themselves, 1, and 2
False
What is the lowest common multiple of 2 and 4?
4
What is 5x9
45
What is the greatest common factor of 20 and 40?
20
Which is not a prime number: 2, 5,40,71
40
What is the lowest common multiple of 10 and 50?
50
What is 8 x 7
56
What is the greatest common factor of 25 and 100?
25
2 to the third power
List the first five multiples of 9
9, 18, 27, 36, 45
Solve: 9 x a = 90
10
List all the factors of 36
1,36,2,13,3,12,4,9,6
What is the prime factorization for 77?
7 x 11
Find the first five common multiples of 10 and 20
20,40,60,80,100
Solve: 100 x 40
4000
What is the greatest common factor of 36 and 48
12
What is the only even prime number?
2
What does LCM stand for?
Lowest Common Multiple
Solve: 100 x a = 5000
50