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What is the Least Common Multiple of 67731 and 67746?

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 67731 and 67746 is 1529501442.

LCM(67731,67746) = 1529501442

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Least Common Multiple of 67731 and 67746 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 67731 and 67746, than apply into the LCM equation.

GCF(67731,67746) = 3
LCM(67731,67746) = ( 67731 × 67746) / 3
LCM(67731,67746) = 4588504326 / 3
LCM(67731,67746) = 1529501442

Least Common Multiple (LCM) of 67731 and 67746 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 67731 and 67746. First we will calculate the prime factors of 67731 and 67746.

Prime Factorization of 67731

Prime factors of 67731 are 3, 107, 211. Prime factorization of 67731 in exponential form is:

67731 = 31 × 1071 × 2111

Prime Factorization of 67746

Prime factors of 67746 are 2, 3, 7, 1613. Prime factorization of 67746 in exponential form is:

67746 = 21 × 31 × 71 × 16131

Now multiplying the highest exponent prime factors to calculate the LCM of 67731 and 67746.

LCM(67731,67746) = 31 × 1071 × 2111 × 21 × 71 × 16131
LCM(67731,67746) = 1529501442