What is the Least Common Multiple of 18312 and 18316?
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 18312 and 18316 is 83850648.
LCM(18312,18316) = 83850648
Least Common Multiple of 18312 and 18316 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18312 and 18316, than apply into the LCM equation.
GCF(18312,18316) = 4
LCM(18312,18316) = ( 18312 × 18316) / 4
LCM(18312,18316) = 335402592 / 4
LCM(18312,18316) = 83850648
Least Common Multiple (LCM) of 18312 and 18316 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 18312 and 18316. First we will calculate the prime factors of 18312 and 18316.
Prime Factorization of 18312
Prime factors of 18312 are 2, 3, 7, 109. Prime factorization of 18312 in exponential form is:
18312 = 23 × 31 × 71 × 1091
Prime Factorization of 18316
Prime factors of 18316 are 2, 19, 241. Prime factorization of 18316 in exponential form is:
18316 = 22 × 191 × 2411
Now multiplying the highest exponent prime factors to calculate the LCM of 18312 and 18316.
LCM(18312,18316) = 23 × 31 × 71 × 1091 × 191 × 2411
LCM(18312,18316) = 83850648
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