GCF and LCM
Find the least common multiple of 3 and 8.
24!
Prime Factorize the number 9
3 x 3
100 ^ 1
100
2 x (2+7)
(2x2) + (2x7) = 18
24
Find the least common multiple of 2 and 5.
10!
Prime Factorize 24.
2 x 2 x 2 x 3
8 ^ 2
64
3 x (4 x 4)
(3 x 4) + (3 x 4) = 24
Solve 13 + 26 - 5 - 8
26
Find the least common multiple of 6 and 11.
66
Prime Factorize 33.
3 x 11
The sum of a and 8
a + 8
8 x (6 +3)
(8 x 6) + (8 x 3) = 72
Solve 2 ^2 + 3 x 10
34
Find the greatest common factor of 12 and 20.
4
Prime Factorize 28.
2 x 2 x 17
20 times b
20 x b
Does 4(a + b) = 4a + 4b? Plug in a number for both a and b and solve it to see if they are equal.
Yes
Solve (2 x 3) + (5 x 5)
31
Find the greatest common factor of 30 and 24.
6!
Prime Factorize 99.
3 x 3 x 11
10 ^ 4
10,000
Does 2(9x + 9)=18x + 18? Plug in a number in for x and solve it to see if you get the same answer.
Yes
3 ^ 2 + (2 x 3) - 1
14