What is the Least Common Multiple of 47685 and 47691?

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 47685 and 47691 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 47685 and 47691, than apply into the LCM equation.

GCF(47685,47691) = 3
LCM(47685,47691) = ( 47685 × 47691) / 3
LCM(47685,47691) = 2274145335 / 3
LCM(47685,47691) = 758048445

Least Common Multiple (LCM) of 47685 and 47691 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 47685 and 47691. First we will calculate the prime factors of 47685 and 47691.

Prime Factorization of 47685

Prime Factorization of 47691

Now multiplying the highest exponent prime factors to calculate the LCM of 47685 and 47691.

LCM(47685,47691) = 3² × 5¹ × 11¹ × 17² × 7¹ × 757¹
LCM(47685,47691) = 758048445