What is the Least Common Multiple of 40961 and 40968?

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 40961 and 40968 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40961 and 40968, than apply into the LCM equation.

GCF(40961,40968) = 1
LCM(40961,40968) = ( 40961 × 40968) / 1
LCM(40961,40968) = 1678090248 / 1
LCM(40961,40968) = 1678090248

Least Common Multiple (LCM) of 40961 and 40968 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40961 and 40968. First we will calculate the prime factors of 40961 and 40968.

Prime Factorization of 40961

Prime Factorization of 40968

Now multiplying the highest exponent prime factors to calculate the LCM of 40961 and 40968.

LCM(40961,40968) = 40961¹ × 2³ × 3² × 569¹
LCM(40961,40968) = 1678090248