What is the Least Common Multiple of 40742 and 40761?

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 40742 and 40761 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40742 and 40761, than apply into the LCM equation.

GCF(40742,40761) = 1
LCM(40742,40761) = ( 40742 × 40761) / 1
LCM(40742,40761) = 1660684662 / 1
LCM(40742,40761) = 1660684662

Least Common Multiple (LCM) of 40742 and 40761 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40742 and 40761. First we will calculate the prime factors of 40742 and 40761.

Prime Factorization of 40742

Prime Factorization of 40761

Now multiplying the highest exponent prime factors to calculate the LCM of 40742 and 40761.

LCM(40742,40761) = 2¹ × 13¹ × 1567¹ × 3² × 7¹ × 647¹
LCM(40742,40761) = 1660684662