What is the Least Common Multiple of 91285 and 91305?

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 91285 and 91305 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 91285 and 91305, than apply into the LCM equation.

GCF(91285,91305) = 5
LCM(91285,91305) = ( 91285 × 91305) / 5
LCM(91285,91305) = 8334776925 / 5
LCM(91285,91305) = 1666955385

Least Common Multiple (LCM) of 91285 and 91305 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 91285 and 91305. First we will calculate the prime factors of 91285 and 91305.

Prime Factorization of 91285

Prime Factorization of 91305

Now multiplying the highest exponent prime factors to calculate the LCM of 91285 and 91305.

LCM(91285,91305) = 5¹ × 18257¹ × 3² × 2029¹
LCM(91285,91305) = 1666955385