What is the Least Common Multiple of 47678 and 47687?

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 47678 and 47687 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 47678 and 47687, than apply into the LCM equation.

GCF(47678,47687) = 1
LCM(47678,47687) = ( 47678 × 47687) / 1
LCM(47678,47687) = 2273620786 / 1
LCM(47678,47687) = 2273620786

Least Common Multiple (LCM) of 47678 and 47687 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 47678 and 47687. First we will calculate the prime factors of 47678 and 47687.

Prime Factorization of 47678

Prime Factorization of 47687

Now multiplying the highest exponent prime factors to calculate the LCM of 47678 and 47687.

LCM(47678,47687) = 2¹ × 31¹ × 769¹ × 43¹ × 1109¹
LCM(47678,47687) = 2273620786