What is the Least Common Multiple of 40972 and 40981?

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 40972 and 40981 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40972 and 40981, than apply into the LCM equation.

GCF(40972,40981) = 1
LCM(40972,40981) = ( 40972 × 40981) / 1
LCM(40972,40981) = 1679073532 / 1
LCM(40972,40981) = 1679073532

Least Common Multiple (LCM) of 40972 and 40981 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40972 and 40981. First we will calculate the prime factors of 40972 and 40981.

Prime Factorization of 40972

Prime Factorization of 40981

Now multiplying the highest exponent prime factors to calculate the LCM of 40972 and 40981.

LCM(40972,40981) = 2² × 10243¹ × 107¹ × 383¹
LCM(40972,40981) = 1679073532