What is the Least Common Multiple of 91805 and 91811?

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 of 91805 and 91811 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 91805 and 91811, than apply into the LCM equation.

GCF(91805,91811) = 1
LCM(91805,91811) = ( 91805 × 91811) / 1
LCM(91805,91811) = 8428708855 / 1
LCM(91805,91811) = 8428708855

Least Common Multiple (LCM) of 91805 and 91811 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 91805 and 91811. First we will calculate the prime factors of 91805 and 91811.

Prime Factorization of 91805

Prime Factorization of 91811

Now multiplying the highest exponent prime factors to calculate the LCM of 91805 and 91811.

LCM(91805,91811) = 5¹ × 7¹ × 43¹ × 61¹ × 91811¹
LCM(91805,91811) = 8428708855