What is the Least Common Multiple of 11822 and 11838?
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 (LCM) of 11822 and 11838 is 69974418.
LCM(11822,11838) = 69974418
Least Common Multiple of 11822 and 11838 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 11822 and 11838, than apply into the LCM equation.
GCF(11822,11838) = 2
LCM(11822,11838) = ( 11822 × 11838) / 2
LCM(11822,11838) = 139948836 / 2
LCM(11822,11838) = 69974418
Least Common Multiple (LCM) of 11822 and 11838 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 11822 and 11838. First we will calculate the prime factors of 11822 and 11838.
Prime Factorization of 11822
Prime factors of 11822 are 2, 23, 257. Prime factorization of 11822 in exponential form is:
11822 = 21 × 231 × 2571
Prime Factorization of 11838
Prime factors of 11838 are 2, 3, 1973. Prime factorization of 11838 in exponential form is:
11838 = 21 × 31 × 19731
Now multiplying the highest exponent prime factors to calculate the LCM of 11822 and 11838.
LCM(11822,11838) = 21 × 231 × 2571 × 31 × 19731
LCM(11822,11838) = 69974418
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