What is the Least Common Multiple of 16320 and 16331?
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 16320 and 16331 is 266521920.
LCM(16320,16331) = 266521920
Least Common Multiple of 16320 and 16331 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 16320 and 16331, than apply into the LCM equation.
GCF(16320,16331) = 1
LCM(16320,16331) = ( 16320 × 16331) / 1
LCM(16320,16331) = 266521920 / 1
LCM(16320,16331) = 266521920
Least Common Multiple (LCM) of 16320 and 16331 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 16320 and 16331. First we will calculate the prime factors of 16320 and 16331.
Prime Factorization of 16320
Prime factors of 16320 are 2, 3, 5, 17. Prime factorization of 16320 in exponential form is:
16320 = 26 × 31 × 51 × 171
Prime Factorization of 16331
Prime factors of 16331 are 7, 2333. Prime factorization of 16331 in exponential form is:
16331 = 71 × 23331
Now multiplying the highest exponent prime factors to calculate the LCM of 16320 and 16331.
LCM(16320,16331) = 26 × 31 × 51 × 171 × 71 × 23331
LCM(16320,16331) = 266521920
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