What is the LCM of 63 and 84 - Find out answer step by step

What does LCM mean in mathematics?

The least common multiple or LCM of two numbers 63 and 84 is defined as the smallest positive integer which is divisible by both of them. It is represented by LCM(63, 84).

Properties of LCM

The LCM of two given numbers is never less than any of those numbers. Eg- LCM of 63 and 84 is 252, where 63 and 84 are less than 252.
LCM is commutative which means LCM(a, b, c) = LCM(LCM(a, b), c) = LCM(a, LCM(b, c)).
The LCM of two or more prime numbers is exactly equal to their product.
LCM is associative which means LCM(63, 84) = LCM(84, 63).
LCM is distributive, which means LCM(ab, bc, ad) = d * LCM(x, y, z).

Steps to find lcm of 63 and 84 by Listing Method

Find some first multiples of 63 and 84.
Find the least common multiple, and read off the answer!

Example: Find lcm of 63 and 84 by Listing Method

Multiples of 63: 63, 126, 189, 252, 315, 378, 441, 504, 567, 630, 693, 756, 819, 882, 945, 1008, 1071, 1134, 1197, 1260, 1323, 1386, 1449, 1512, 1575, 1638, 1701, 1764, 1827, 1890, 1953, 2016, 2079, 2142, 2205, 2268, 2331, 2394, 2457, 2520, 2583, 2646, 2709, 2772, 2835, 2898, 2961, 3024, 3087, 3150, 3213, 3276, 3339, 3402, 3465, 3528, 3591, 3654, 3717, 3780, 3843, 3906, 3969, 4032, 4095, 4158, 4221, 4284, 4347, 4410, 4473, 4536, 4599, 4662, 4725, 4788, 4851, 4914, 4977, 5040, 5103, 5166, 5229, 5292
Multiples of 84: 84, 168, 252, 336, 420, 504, 588, 672, 756, 840, 924, 1008, 1092, 1176, 1260, 1344, 1428, 1512, 1596, 1680, 1764, 1848, 1932, 2016, 2100, 2184, 2268, 2352, 2436, 2520, 2604, 2688, 2772, 2856, 2940, 3024, 3108, 3192, 3276, 3360, 3444, 3528, 3612, 3696, 3780, 3864, 3948, 4032, 4116, 4200, 4284, 4368, 4452, 4536, 4620, 4704, 4788, 4872, 4956, 5040, 5124, 5208, 5292

Hence, LCM of 63 and 84 is 252.

Steps to find LCM of 63 and 84 by Common Division Method

Find all the prime numbers that would divide 63 and 84 without leaving any remainder.
Multiply the numbers obtained in step 1, and read off the answer!

Example: Find lcm of 63 and 84 by Common Division Method

2	63 84
2	63 42
3	63 21
3	21 7
7	7 7
	1 1

Hence, LCM of 63 and 84 is 2 x 2 x 3 x 3 x 7 = 252.

Steps to find lcm of 63 and 84 by Formula

The formula for LCM is LCM (63, 84) = (63 x 84) / GCF (63, 84)
Apply the formula, and read off the answer!

Example: Find lcm of 63 and 84 by Formula

GCF of 63 and 84 = 21
LCM of 63 and 84 = (63 x 84) / 21
=> 5292 / 21

Hence, LCM of 63 and 84 is 252.

Examples

Franky and Joy are running on a circular track. They start at the same time. They take 63 and 84 minutes respectively to go round once. Find at what time they will run together?

Franky and Joy are running on a circular track. They take 63 and 84 minutes respectively to go round once. We need to find out at what time (minimum) they will run together again. For this we need to find the LCM of 63 and 84.
So, LCM of 63 and 84 is 252.

Boxes that are 63 inches tall are being pilled next to boxes that are 84 inches tall. What is the least height in feet at which the two piles will be the same height?

To find the least height in feet at which the two piles will be at same height we will find LCM of 63 and 84.
So, LCM of 63 and 84 is 252.

Sammy's company prints 63 textbooks at a time. Daniel's company prints textbooks in sets of 84 at a time. According to a survey done by a committee, both companies printed the same number of textbooks last year. Find the least number of books that each company would have printed.

To find the least number of textbooks that each company could have printed we need to find the LCM of 63 and 84.
So, LCM of 63 and 84 is 252.

Ariel exercises every 63 days and Rubel every 84 days. They both excercised today. How many days will it be until they excercise together again?

The problem can be solved using LCM, because we are trying to figure out the least time until they excercise together again.
So, LCM of 63 and 84 is 252.

Find the LCM of 63 and 84 using GCF method.

Greatest common factor or gcf of 63 and 84 is GCF(63, 84) x LCM(63, 84) = (63 x 84) / GCF(63, 84) = 252.

Find the least common multiple of 63 and 84.

Least common multiple of 63 and 84 is 252.

Find the least number which is exactly divisible by 63 and 84.

Least number which is exactly divisible by 63 and 84 is 252.

What is LCM of 63 and 84?

How to find lcm of two numbers

What does LCM mean in mathematics?

Properties of LCM

Steps to find lcm of 63 and 84 by Listing Method

Example: Find lcm of 63 and 84 by Listing Method

Steps to find LCM of 63 and 84 by Common Division Method

Example: Find lcm of 63 and 84 by Common Division Method

Steps to find lcm of 63 and 84 by Formula

Example: Find lcm of 63 and 84 by Formula

Examples

What is LCM of 63 and 84?

How to find lcm of two numbers

What does LCM mean in mathematics?

Properties of LCM

Steps to find lcm of 63 and 84 by Listing Method

Example: Find lcm of 63 and 84 by Listing Method

Steps to find LCM of 63 and 84 by Common Division Method

Example: Find lcm of 63 and 84 by Common Division Method

Steps to find lcm of 63 and 84 by Formula

Example: Find lcm of 63 and 84 by Formula

Examples

Recommended

User Also Visited