Least common multiple (LCM) - math problems
Number of problems found: 119
What is the least common multiple of 5, 50, 14?
- Lcm simple
Find least common multiple of this two numbers: 140 175.
- Lcm to eliminate y
Identify the least common multiple that would eliminate the y-variable. 6x - 5y = -4 4x + 2y = 28
Decompose into primes and find the smallest common multiple n of (16,20) and the largest common divisor D of the pair of numbers (140,100)
- LCD 2
The least common denominator of 2/5, 1/2, and 3/4
Common multiple of three numbers is 3276. One number is in this number 63 times, second 7 times, third 9 times. What are the numbers?
- What is 3
What is the least common denominator of 11/15 and 12/19?
- LCM of two number
Find the smallest multiple of 63 and 147
- Pyramid Z8–I–6
Each brick of pyramid contains one number. Whenever possible, the number in each brick is lowest common multiple of two numbers of bricks lying directly above it. That number may be in the lowest brick? Determine all possibilities.
How many we must have at least nuts if we can equally divide it to 10 children, 12 children or 15 children and any nut left?
- Dining tables
In the dining room are tables with 4 chairs, 6 chairs, 8 chairs. How many diners must be at least to occupy all tables (chairs) and diners are more than 50?
Headteacher think whether the distribution of pupils in race in groups of 4,5,6,9 or 10. How many pupils must have at least school at possible options?
George poured out of the box matches and composing them triangles and no match was left. Then he tries squares, hexagons and octagons and no match was left. How many matches must be at least in the box?
- Lcm of three numbers
What is the Lcm of 120 15 and 5
- The smallest number
What is the smallest number that can be divided by both 5 and 7
- Apples 2
How many minimum apples are in the cart, if possible is completely divided into packages of 6, 14 and 21 apples?
- Lcm 2
Create the smallest possible number that is divisible by numbers 5,8,9,4,3
- Cents no more
Janko bought pencils for 35 cents each. Neither he nor the salesperson had small coins, just a whole € 1 coin. At least how many pencils had to buy to pay for the whole euros?
- Dance ensemble
The dance ensemble took the stage in pairs. During dancing, the dancers gradually formed groups of four, six and nine. How many dancers have an ensemble?
- Two rulers
We have two rulers. Scale interval on first rulers are a spaced 1 cm and on second spaced 15 mm. Rulers are attached to each other so that they match initial divider commas. What next dividers commas coincide? Find at least three cases.
Do you want to calculate least common multiple two or more numbers?