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What is the Least Common Multiple of 483 and 492?

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 483 and 492 is 79212.

LCM(483,492) = 79212

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Least Common Multiple of 483 and 492 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 483 and 492, than apply into the LCM equation.

GCF(483,492) = 3
LCM(483,492) = ( 483 × 492) / 3
LCM(483,492) = 237636 / 3
LCM(483,492) = 79212

Least Common Multiple (LCM) of 483 and 492 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 483 and 492. First we will calculate the prime factors of 483 and 492.

Prime Factorization of 483

Prime factors of 483 are 3, 7, 23. Prime factorization of 483 in exponential form is:

483 = 31 × 71 × 231

Prime Factorization of 492

Prime factors of 492 are 2, 3, 41. Prime factorization of 492 in exponential form is:

492 = 22 × 31 × 411

Now multiplying the highest exponent prime factors to calculate the LCM of 483 and 492.

LCM(483,492) = 31 × 71 × 231 × 22 × 411
LCM(483,492) = 79212