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What is the Least Common Multiple of 197 and 216?

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 197 and 216 is 42552.

LCM(197,216) = 42552

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Least Common Multiple of 197 and 216 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 197 and 216, than apply into the LCM equation.

GCF(197,216) = 1
LCM(197,216) = ( 197 × 216) / 1
LCM(197,216) = 42552 / 1
LCM(197,216) = 42552

Least Common Multiple (LCM) of 197 and 216 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 197 and 216. First we will calculate the prime factors of 197 and 216.

Prime Factorization of 197

Prime factors of 197 are 197. Prime factorization of 197 in exponential form is:

197 = 1971

Prime Factorization of 216

Prime factors of 216 are 2, 3. Prime factorization of 216 in exponential form is:

216 = 23 × 33

Now multiplying the highest exponent prime factors to calculate the LCM of 197 and 216.

LCM(197,216) = 1971 × 23 × 33
LCM(197,216) = 42552