GCD and LCM

List all the factor pairs of 45

• (1, 45), (6, 9)

• (1, 45), (5, 9)

• (1, 45), (3, 15), (6, 9)

• (1, 45), (3, 15), (5, 9)

List all the factor pairs of 36

• (1, 36), (2, 18), (3, 9), (4, 8), (6, 6)

• (1, 36), (2, 18), (3, 12), (4, 8), (6, 6)

• (1, 36), (2, 18), (3, 13), (4, 9), (6, 6)

• (1, 36), (2, 18), (3, 12), (4, 9), (6, 6)

List all the factor pairs of 54

• [(1, 54), (2, 27), (3, 18), (6, 9)]
• [(1, 54), (2, 27), (3, 18), (7, 8)]

• [(1, 54), (2, 27), (3, 19), (7, 8)]

• [(1, 54), (2, 27), (3, 19), (6, 9)]

List all the factor pairs of 24

• [(1, 24), (2, 12), (3, 8), (4, 6), (8,4)]

• [(1, 24), (2, 12), (3, 6)]

• [(1, 24), (2, 12), (4, 6)]

• [(1, 24), (2, 12), (3, 8), (4, 6)]

List all the factor pairs of 65

• (4, 16.25)
• [(1, 65), (3, 15)]

• (3, 21.67)
• [(1, 65), (5, 13)]

List the first 6 multiples of 5

• 5, 10, 15, 20, 25, 35
• 5, 10, 15, 20, 30, 35
• 1, 2, 3, 4, 5, 6
• 5, 10, 15, 20, 25, 30

List the first 6 multiples of 9

• 9, 19, 29, 39, 49, 59
• 8, 16, 24, 32, 40, 48
• 10, 20, 30, 40, 50, 60
• 9, 18, 27, 36, 45, 54

List the first 6 multiples of 13

• 12, 25, 38, 51, 64, 77
• 13, 27, 40, 53, 66, 79
• 14, 28, 42, 56, 70, 84
• 13, 26, 39, 52, 65, 78

List the first 6 multiples of 15

• 15, 30, 45, 60, 75, 100
• 10, 20, 30, 40, 50, 60
• 5, 10, 15, 20, 25, 30
• 15, 30, 45, 60, 75, 90

List the first 6 multiples of 23

• 23, 46, 69, 92, 115, 138

• 23, 46, 69, 92, 115, 120
• 23, 46, 69, 92, 115, 150
• 23, 46, 69, 92, 115, 130