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What is the Least Common Multiple of 40548 and 40568?

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 40548 and 40568 is 411237816.

LCM(40548,40568) = 411237816

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Least Common Multiple of 40548 and 40568 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40548 and 40568, than apply into the LCM equation.

GCF(40548,40568) = 4
LCM(40548,40568) = ( 40548 × 40568) / 4
LCM(40548,40568) = 1644951264 / 4
LCM(40548,40568) = 411237816

Least Common Multiple (LCM) of 40548 and 40568 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40548 and 40568. First we will calculate the prime factors of 40548 and 40568.

Prime Factorization of 40548

Prime factors of 40548 are 2, 3, 31, 109. Prime factorization of 40548 in exponential form is:

40548 = 22 × 31 × 311 × 1091

Prime Factorization of 40568

Prime factors of 40568 are 2, 11, 461. Prime factorization of 40568 in exponential form is:

40568 = 23 × 111 × 4611

Now multiplying the highest exponent prime factors to calculate the LCM of 40548 and 40568.

LCM(40548,40568) = 23 × 31 × 311 × 1091 × 111 × 4611
LCM(40548,40568) = 411237816