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What is the Least Common Multiple of 67296 and 67309?

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 67296 and 67309 is 4529626464.

LCM(67296,67309) = 4529626464

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Least Common Multiple of 67296 and 67309 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 67296 and 67309, than apply into the LCM equation.

GCF(67296,67309) = 1
LCM(67296,67309) = ( 67296 × 67309) / 1
LCM(67296,67309) = 4529626464 / 1
LCM(67296,67309) = 4529626464

Least Common Multiple (LCM) of 67296 and 67309 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 67296 and 67309. First we will calculate the prime factors of 67296 and 67309.

Prime Factorization of 67296

Prime factors of 67296 are 2, 3, 701. Prime factorization of 67296 in exponential form is:

67296 = 25 × 31 × 7011

Prime Factorization of 67309

Prime factors of 67309 are 11, 29, 211. Prime factorization of 67309 in exponential form is:

67309 = 111 × 291 × 2111

Now multiplying the highest exponent prime factors to calculate the LCM of 67296 and 67309.

LCM(67296,67309) = 25 × 31 × 7011 × 111 × 291 × 2111
LCM(67296,67309) = 4529626464