What is the Least Common Multiple of 12072 and 12090?
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 12072 and 12090 is 24325080.
LCM(12072,12090) = 24325080
Least Common Multiple of 12072 and 12090 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 12072 and 12090, than apply into the LCM equation.
GCF(12072,12090) = 6
LCM(12072,12090) = ( 12072 × 12090) / 6
LCM(12072,12090) = 145950480 / 6
LCM(12072,12090) = 24325080
Least Common Multiple (LCM) of 12072 and 12090 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 12072 and 12090. First we will calculate the prime factors of 12072 and 12090.
Prime Factorization of 12072
Prime factors of 12072 are 2, 3, 503. Prime factorization of 12072 in exponential form is:
12072 = 23 × 31 × 5031
Prime Factorization of 12090
Prime factors of 12090 are 2, 3, 5, 13, 31. Prime factorization of 12090 in exponential form is:
12090 = 21 × 31 × 51 × 131 × 311
Now multiplying the highest exponent prime factors to calculate the LCM of 12072 and 12090.
LCM(12072,12090) = 23 × 31 × 5031 × 51 × 131 × 311
LCM(12072,12090) = 24325080
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