What are the LCM of 21 and 6?

42
Answer: LCM of 6 and 21 is 42.

What is a LCM of 21?

LCM of 21 and 24 is the smallest number among all common multiples of 21 and 24. The first few multiples of 21 and 24 are (21, 42, 63, 84, 105, 126, 147, . . . ) and (24, 48, 72, 96, 120, 144, . . . )…LCM of 21 and 24.

What are LCM of 6?

The least common multiple (LCM) is the lowest (least) postive number that two or more numbers can be divided into without a remainder. To find it, you can list the multiples, in order, of the given numbers. For 6, you would list {6, 12 , 18, 24…}. For 4, you would list {4, 8, 12 , 16, 20, 24…}.

What is the LCM of 6 and 4?

12
The LCM of 4 and 6 is 12.

How to calculate LCM for 6 9 and 21?

getcalc.com’s LCM calculator & work with steps follows a special method to find what is Least Common Multiple for group of whole numbers or non-negative integers 6, 9 and 21. LCM(6, 9 and 21) = 126

How to calculate the least common multiple of 6 and 21?

Least common multiple or lowest common denominator (lcd) can be calculated in two way; with the LCM formula calculation of greatest common factor (GCF), or multiplying the prime factors with the highest exponent factor. Least Common Multiple of 6 and 21 with GCF Formula. The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).

What is the LCD of 21 and 6?

Least common multiple (LCM) of 6 and 21 is 42. LCM(6,21) = 42. Least common multiple or lowest common denominator (lcd) can be calculated in two way; with the LCM formula calculation of greatest common factor (GCF), or multiplying the prime factors with the highest exponent factor.

How to calculate greatest common factor 6 and 21?

We need to calculate greatest common factor 6 and 21, than apply into the LCM equation. Least common multiple can be found by multiplying the highest exponent prime factors of 6 and 21. First we will calculate the prime factors of 6 and 21. Prime factors of 6 are 2, 3. Prime factorization of 6 in exponential form is: Prime factors of 21 are 3, 7.