What is the Least Common Multiple of 954 and 972?
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 954 and 972 is 51516.
LCM(954,972) = 51516
Least Common Multiple of 954 and 972 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 954 and 972, than apply into the LCM equation.
GCF(954,972) = 18
LCM(954,972) = ( 954 × 972) / 18
LCM(954,972) = 927288 / 18
LCM(954,972) = 51516
Least Common Multiple (LCM) of 954 and 972 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 954 and 972. First we will calculate the prime factors of 954 and 972.
Prime Factorization of 954
Prime factors of 954 are 2, 3, 53. Prime factorization of 954 in exponential form is:
954 = 21 × 32 × 531
Prime Factorization of 972
Prime factors of 972 are 2, 3. Prime factorization of 972 in exponential form is:
972 = 22 × 35
Now multiplying the highest exponent prime factors to calculate the LCM of 954 and 972.
LCM(954,972) = 22 × 35 × 531
LCM(954,972) = 51516
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