What is the Least Common Multiple of 318 and 336?
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 318 and 336 is 17808.
LCM(318,336) = 17808
Least Common Multiple of 318 and 336 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 318 and 336, than apply into the LCM equation.
GCF(318,336) = 6
LCM(318,336) = ( 318 × 336) / 6
LCM(318,336) = 106848 / 6
LCM(318,336) = 17808
Least Common Multiple (LCM) of 318 and 336 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 318 and 336. First we will calculate the prime factors of 318 and 336.
Prime Factorization of 318
Prime factors of 318 are 2, 3, 53. Prime factorization of 318 in exponential form is:
318 = 21 × 31 × 531
Prime Factorization of 336
Prime factors of 336 are 2, 3, 7. Prime factorization of 336 in exponential form is:
336 = 24 × 31 × 71
Now multiplying the highest exponent prime factors to calculate the LCM of 318 and 336.
LCM(318,336) = 24 × 31 × 531 × 71
LCM(318,336) = 17808
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