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What is the Least Common Multiple of 492 and 496?

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 492 and 496 is 61008.

LCM(492,496) = 61008

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Least Common Multiple of 492 and 496 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 492 and 496, than apply into the LCM equation.

GCF(492,496) = 4
LCM(492,496) = ( 492 × 496) / 4
LCM(492,496) = 244032 / 4
LCM(492,496) = 61008

Least Common Multiple (LCM) of 492 and 496 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 492 and 496. First we will calculate the prime factors of 492 and 496.

Prime Factorization of 492

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

492 = 22 × 31 × 411

Prime Factorization of 496

Prime factors of 496 are 2, 31. Prime factorization of 496 in exponential form is:

496 = 24 × 311

Now multiplying the highest exponent prime factors to calculate the LCM of 492 and 496.

LCM(492,496) = 24 × 31 × 411 × 311
LCM(492,496) = 61008