What is the Least Common Multiple of 51961 and 51981?

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 51961 and 51981 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 51961 and 51981, than apply into the LCM equation.

GCF(51961,51981) = 1
LCM(51961,51981) = ( 51961 × 51981) / 1
LCM(51961,51981) = 2700984741 / 1
LCM(51961,51981) = 2700984741

Least Common Multiple (LCM) of 51961 and 51981 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 51961 and 51981. First we will calculate the prime factors of 51961 and 51981.

Prime Factorization of 51961

Prime Factorization of 51981

Now multiplying the highest exponent prime factors to calculate the LCM of 51961 and 51981.

LCM(51961,51981) = 7¹ × 13¹ × 571¹ × 3¹ × 17327¹
LCM(51961,51981) = 2700984741