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What is the Least Common Multiple of 81938 and 81944?

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 81938 and 81944 is 3357163736.

LCM(81938,81944) = 3357163736

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Least Common Multiple of 81938 and 81944 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 81938 and 81944, than apply into the LCM equation.

GCF(81938,81944) = 2
LCM(81938,81944) = ( 81938 × 81944) / 2
LCM(81938,81944) = 6714327472 / 2
LCM(81938,81944) = 3357163736

Least Common Multiple (LCM) of 81938 and 81944 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 81938 and 81944. First we will calculate the prime factors of 81938 and 81944.

Prime Factorization of 81938

Prime factors of 81938 are 2, 53, 773. Prime factorization of 81938 in exponential form is:

81938 = 21 × 531 × 7731

Prime Factorization of 81944

Prime factors of 81944 are 2, 10243. Prime factorization of 81944 in exponential form is:

81944 = 23 × 102431

Now multiplying the highest exponent prime factors to calculate the LCM of 81938 and 81944.

LCM(81938,81944) = 23 × 531 × 7731 × 102431
LCM(81938,81944) = 3357163736