What is the Least Common Multiple of 47780 and 47786?

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 47780 and 47786 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 47780 and 47786, than apply into the LCM equation.

GCF(47780,47786) = 2
LCM(47780,47786) = ( 47780 × 47786) / 2
LCM(47780,47786) = 2283215080 / 2
LCM(47780,47786) = 1141607540

Least Common Multiple (LCM) of 47780 and 47786 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 47780 and 47786. First we will calculate the prime factors of 47780 and 47786.

Prime Factorization of 47780

Prime Factorization of 47786

Now multiplying the highest exponent prime factors to calculate the LCM of 47780 and 47786.

LCM(47780,47786) = 2² × 5¹ × 2389¹ × 23893¹
LCM(47780,47786) = 1141607540