What is the Least Common Multiple of 47809 and 47815?

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 47809 and 47815 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 47809 and 47815, than apply into the LCM equation.

GCF(47809,47815) = 1
LCM(47809,47815) = ( 47809 × 47815) / 1
LCM(47809,47815) = 2285987335 / 1
LCM(47809,47815) = 2285987335

Least Common Multiple (LCM) of 47809 and 47815 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 47809 and 47815. First we will calculate the prime factors of 47809 and 47815.

Prime Factorization of 47809

Prime Factorization of 47815

Now multiplying the highest exponent prime factors to calculate the LCM of 47809 and 47815.

LCM(47809,47815) = 47809¹ × 5¹ × 73¹ × 131¹
LCM(47809,47815) = 2285987335