Long Division
975/25
39
2
What is the LCM of 6 and 8?
24
What is 976/5
195 r1
12x4
48
1,132/9
225 r7
What is the GCF of 12 and 16?
4
What is the LCM of 12 and 9?
36
Explain how you find the least common multiple of two numbers.
To find the least common multiples or two numbers, you simply begin at each number and skip count until you find a number that appears in both lists.
9x7
63
2,956/13
227 r5
What is the GCF of 12 and 24?
12
What is the LCM of 7 and 49?
49
How do you find the greatest common factor of two numbers?
To find the greatest common factor of two numbers, you create a list of factors for each number. The highest number that appears in both lists is the greatest common factor.
7x8
56
97,821/42
232 r7
What is the GCF of 24 and 36?
12
What is the LCM of 7 and 11?
77
Use a factor tree to find the factors of 36.
2x2x3x3
9x6
54
99,854/7
14,264 r6
What is the GCF of 36 and 81?
9
What is the LCM of 9 and 6?
18
Use a factor tree to find the factors of 48.
2x2x2x2x3
12x11
132