What is the Least Common Multiple of 15681 and 15701?

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 15681 and 15701 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 15681 and 15701, than apply into the LCM equation.

GCF(15681,15701) = 1
LCM(15681,15701) = ( 15681 × 15701) / 1
LCM(15681,15701) = 246207381 / 1
LCM(15681,15701) = 246207381

Least Common Multiple (LCM) of 15681 and 15701 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 15681 and 15701. First we will calculate the prime factors of 15681 and 15701.

Prime Factorization of 15681

Prime Factorization of 15701

Now multiplying the highest exponent prime factors to calculate the LCM of 15681 and 15701.

LCM(15681,15701) = 3¹ × 5227¹ × 7¹ × 2243¹
LCM(15681,15701) = 246207381