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What is the Least Common Multiple of 41638 and 41649?

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 41638 and 41649 is 1734181062.

LCM(41638,41649) = 1734181062

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Least Common Multiple of 41638 and 41649 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 41638 and 41649, than apply into the LCM equation.

GCF(41638,41649) = 1
LCM(41638,41649) = ( 41638 × 41649) / 1
LCM(41638,41649) = 1734181062 / 1
LCM(41638,41649) = 1734181062

Least Common Multiple (LCM) of 41638 and 41649 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 41638 and 41649. First we will calculate the prime factors of 41638 and 41649.

Prime Factorization of 41638

Prime factors of 41638 are 2, 109, 191. Prime factorization of 41638 in exponential form is:

41638 = 21 × 1091 × 1911

Prime Factorization of 41649

Prime factors of 41649 are 3, 13883. Prime factorization of 41649 in exponential form is:

41649 = 31 × 138831

Now multiplying the highest exponent prime factors to calculate the LCM of 41638 and 41649.

LCM(41638,41649) = 21 × 1091 × 1911 × 31 × 138831
LCM(41638,41649) = 1734181062