Least Common Multiple (LCM) — Definition & Examples
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- (Video) Finding the LCM by Mathademics! This video by Mathademics! shows you how to find the Least Common Multiple (also called the Lowest Common Multiple) of two or three numbe…
By Stefan Cuevas, Alex Federspiel, Joshua Siktar, Jonathan Heller, Caroline K
- Before discussing Least Common Multiples, let's begin with the term multiples. What does it mean for a number to be a multiple of another number? If we multiply a number xxx by …
By Victoria Rodriguez, Alex Federspiel, Joshua Siktar, Jonathan Heller, Sarah Walker, Caroline K
- Least Common Multiple (LCM) To understand what a LCM is, you must first understand what a multiple is. As a refresher, a multiple of an integer is the product of that integer an…
By Caroline K, Alex Federspiel, Joshua Siktar
Problems 31
- At a certain store, a package of 333 apples and 121212 oranges costs 555 dollars, and a package of 202020 apples and 555 oranges costs 131313 dollars. Given that apples and oran…
- Let xxx and yyy be the greatest common factor and the least common multiple, respectively, of 646464 and 100100100. Find the product of xxx and yyy.
- Find the LCM of 222 and 101010.
- Find the LCM of 121212 and 141414.
- Find the LCM of 121212 and 282828.
- Find the LCM of 444, 888, and 121212.
- Find the LCM of 141414, 282828, and 424242.
- Josh eats 333 burgers at a time throughout the night, and Nadia eats 666 at a time. If by the end of the night, Nadia and Josh have eaten the same amount of burgers, what is the…
- Suppose during lunch in the school cafeteria, students sit at tables for 666 people and teachers fill tables of 444 people. What is the smallest number of students and teachers …
- What is the least common multiple of 333 and 111111?
- Crystal is stocking the shelves at the market, and needs to add the same number of regular soda cans and diet soda cans to the shelf. How many packs of each kind of soda does sh…
- Alice, Bob, and Conner work in the same company. Alice comes to work every 666 days, Bob every 151515 days, and Conner every 444 days. If the three worked together today, how ma…
- Find the LCM of 282828 and 212121.
- What is the least common multiple of 444 and 101010?
- What is the least common multiple of 1,2,3,4,5,6,7,8,9,101, 2, 3, 4, 5, 6, 7, 8, 9, 101,2,3,4,5,6,7,8,9,10?
- What is the least common multiple of 121212 and 151515?
- What is the GCF and LCM of 282828 and 424242?
- Find the LCM of 131313 and 171717.
- Find the LCM of 191919 and 141414.
- Find the LCM and GCF of 232323 and 141414.
- Find the least common multiple of 888 and 999.
- The Expii Content Team's favorite breakfast food is two eggs on toast. At the supermarket, eggs are sold in cartons of 121212 and loaves of bread are sold in packages with 20202…
- Tanner attends spin class every 666 days while Alex attends every 444 days. What is the smallest number of days after which Tanner and Alex will attend spin class on the same day?
- A radio station is giving away 50\5050 every 131313 callers and a mystery gift card to every 525252 callers. How many people will call before someone wins both prizes?
- Amy goes to yoga class every 121212 days, water aerobics every 151515 days, and spin class every 666 days. If she begins this routine on December 313131st, on what day will she …
- An average box of graham crackers contains 444 cellophane wrapped pouches. Each pouch has 999 sheets of graham crackers. Each sheet can be divided into 444 pieces. \\ An average…
- An average box of graham crackers contains 444 cellophane wrapped pouches. Each pouch has 999 sheets of graham crackers. Each sheet can be divided into 444 pieces. \\ An average…
- What is the least common multiple of 222 and 333?
- What is the least common multiple of 333 and 444?
- What is the lowest common multiple of 333 and 121212?
- Identify all pairs of positive integers that have a least common multiple of 24.24.24.