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What are the factors of 49

• 1, 7, 49
• 3, 9, 21
• 2, 7, 14
• 1, 5, 10

LCM of 87 and 45

• 540
• 405
• 360
• 435

GCD of 34 and 76

• 2
• 34
• 1
• 76

What is the GCD of 48 and 180?

• 48

• 6

• 24

• 12

What are the factors of 36?

• 1, 2, 3, 4, 6, 9, 12, 18, 36

• 1, 4, 9, 16, 36

• 1, 5, 10, 15, 30

• 2, 3, 6, 12, 18

LCM of 12 and 15?

• 75

• 30

• 45

• 60

What is a prime number

• A prime number is a natural number less than 1.
• A prime number is a number that can be divided by any other number.
• A prime number is a natural number greater than 1 that has no positive divisors other than 1 and itself.
• A prime number is any integer that is even.

What is the GCD of 60 and 48?

• 6

• 24

• 30

• 12

What are the factors of 64?

• 1, 2, 4, 8, 16, 32, 64

• 1, 3, 5, 7, 9

• 2, 4, 8, 16, 32

• 1, 10, 20, 40, 80

LCM of 18 and 24?

• 54

• 48

• 36

• 72