What is the Least Common Multiple of 60991 and 60997?

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 60991 and 60997 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 60991 and 60997, than apply into the LCM equation.

GCF(60991,60997) = 1
LCM(60991,60997) = ( 60991 × 60997) / 1
LCM(60991,60997) = 3720268027 / 1
LCM(60991,60997) = 3720268027

Least Common Multiple (LCM) of 60991 and 60997 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 60991 and 60997. First we will calculate the prime factors of 60991 and 60997.

Prime Factorization of 60991

Prime Factorization of 60997

Now multiplying the highest exponent prime factors to calculate the LCM of 60991 and 60997.

LCM(60991,60997) = 7¹ × 8713¹ × 181¹ × 337¹
LCM(60991,60997) = 3720268027