What is the Least Common Multiple of 51681 and 51689?

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 51681 and 51689 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 51681 and 51689, than apply into the LCM equation.

GCF(51681,51689) = 1
LCM(51681,51689) = ( 51681 × 51689) / 1
LCM(51681,51689) = 2671339209 / 1
LCM(51681,51689) = 2671339209

Least Common Multiple (LCM) of 51681 and 51689 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 51681 and 51689. First we will calculate the prime factors of 51681 and 51689.

Prime Factorization of 51681

Prime Factorization of 51689

Now multiplying the highest exponent prime factors to calculate the LCM of 51681 and 51689.

LCM(51681,51689) = 3¹ × 7¹ × 23¹ × 107¹ × 11¹ × 37¹ × 127¹
LCM(51681,51689) = 2671339209