What is the Least Common Multiple of 78291 and 78300?

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 78291 and 78300 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78291 and 78300, than apply into the LCM equation.

GCF(78291,78300) = 9
LCM(78291,78300) = ( 78291 × 78300) / 9
LCM(78291,78300) = 6130185300 / 9
LCM(78291,78300) = 681131700

Least Common Multiple (LCM) of 78291 and 78300 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78291 and 78300. First we will calculate the prime factors of 78291 and 78300.

Prime Factorization of 78291

Prime Factorization of 78300

Now multiplying the highest exponent prime factors to calculate the LCM of 78291 and 78300.

LCM(78291,78300) = 3³ × 8699¹ × 2² × 5² × 29¹
LCM(78291,78300) = 681131700