Register
What’s the least common multiple for each group of numbers? a. 6 and 15 b. 4 and 11 c. 6, 9, and 12 d. 8, 10, and 20
214k views
4 votes
What’s the least common multiple for each group of numbers?

a. 6 and 15
b. 4 and 11
c. 6, 9, and 12
d. 8, 10, and 20

User Big
by
8.1k points

1 Answer

5 votes
you have to use the prime factorization
A, 6= 2*3 15=3*5
You can see that three is common in both so you do not need both
LCM=2*3*5=30

B, 4=2*2 11 is a prime so
LCM=4*11=44

Hope this will help you solve C and D too.
User FurryMachine
by
8.5k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.5m questions

12.2m answers

Other Questions

How do you estimate of 4 5/8 X 1/3
A bathtub is being filled with water. After 3 minutes 4/5 of the tub is full. Assuming the rate is constant, how much longer will it take to fill the tub?
i have a field 60m long and 110 wide going to be paved i ordered 660000000cm cubed of cement  how thick must the cement be to cover field
Write words to match the expression. 24- ( 6+3)
The cost of 5 similar digital cameras and 3 similar video cameras is 3213. Each video camera costs 4 times as much as each digital camera. John buys a digital camera and a video camera. How much does he
Link Copied!