What is the Least Common Multiple of 47690 and 47705?

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 47690 and 47705 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 47690 and 47705, than apply into the LCM equation.

GCF(47690,47705) = 5
LCM(47690,47705) = ( 47690 × 47705) / 5
LCM(47690,47705) = 2275051450 / 5
LCM(47690,47705) = 455010290

Least Common Multiple (LCM) of 47690 and 47705 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 47690 and 47705. First we will calculate the prime factors of 47690 and 47705.

Prime Factorization of 47690

Prime Factorization of 47705

Now multiplying the highest exponent prime factors to calculate the LCM of 47690 and 47705.

LCM(47690,47705) = 2¹ × 5¹ × 19¹ × 251¹ × 7¹ × 29¹ × 47¹
LCM(47690,47705) = 455010290