What is the Least Common Multiple of 40105 and 40111?

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 40105 and 40111 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40105 and 40111, than apply into the LCM equation.

GCF(40105,40111) = 1
LCM(40105,40111) = ( 40105 × 40111) / 1
LCM(40105,40111) = 1608651655 / 1
LCM(40105,40111) = 1608651655

Least Common Multiple (LCM) of 40105 and 40111 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40105 and 40111. First we will calculate the prime factors of 40105 and 40111.

Prime Factorization of 40105

Prime Factorization of 40111

Now multiplying the highest exponent prime factors to calculate the LCM of 40105 and 40111.

LCM(40105,40111) = 5¹ × 13¹ × 617¹ × 40111¹
LCM(40105,40111) = 1608651655