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What is the Least Common Multiple of 80736 and 80745?

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 80736 and 80745 is 2173009440.

LCM(80736,80745) = 2173009440

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Least Common Multiple of 80736 and 80745 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 80736 and 80745, than apply into the LCM equation.

GCF(80736,80745) = 3
LCM(80736,80745) = ( 80736 × 80745) / 3
LCM(80736,80745) = 6519028320 / 3
LCM(80736,80745) = 2173009440

Least Common Multiple (LCM) of 80736 and 80745 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 80736 and 80745. First we will calculate the prime factors of 80736 and 80745.

Prime Factorization of 80736

Prime factors of 80736 are 2, 3, 29. Prime factorization of 80736 in exponential form is:

80736 = 25 × 31 × 292

Prime Factorization of 80745

Prime factors of 80745 are 3, 5, 7, 769. Prime factorization of 80745 in exponential form is:

80745 = 31 × 51 × 71 × 7691

Now multiplying the highest exponent prime factors to calculate the LCM of 80736 and 80745.

LCM(80736,80745) = 25 × 31 × 292 × 51 × 71 × 7691
LCM(80736,80745) = 2173009440