What is the Least Common Multiple of 15761 and 15771?

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 15761 and 15771 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 15761 and 15771, than apply into the LCM equation.

GCF(15761,15771) = 1
LCM(15761,15771) = ( 15761 × 15771) / 1
LCM(15761,15771) = 248566731 / 1
LCM(15761,15771) = 248566731

Least Common Multiple (LCM) of 15761 and 15771 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 15761 and 15771. First we will calculate the prime factors of 15761 and 15771.

Prime Factorization of 15761

Prime Factorization of 15771

Now multiplying the highest exponent prime factors to calculate the LCM of 15761 and 15771.

LCM(15761,15771) = 15761¹ × 3¹ × 7¹ × 751¹
LCM(15761,15771) = 248566731