What is the Least Common Multiple of 76890 and 76900?

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 76890 and 76900 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 76890 and 76900, than apply into the LCM equation.

GCF(76890,76900) = 10
LCM(76890,76900) = ( 76890 × 76900) / 10
LCM(76890,76900) = 5912841000 / 10
LCM(76890,76900) = 591284100

Least Common Multiple (LCM) of 76890 and 76900 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 76890 and 76900. First we will calculate the prime factors of 76890 and 76900.

Prime Factorization of 76890

Prime Factorization of 76900

Now multiplying the highest exponent prime factors to calculate the LCM of 76890 and 76900.

LCM(76890,76900) = 2² × 3¹ × 5² × 11¹ × 233¹ × 769¹
LCM(76890,76900) = 591284100