What is the Least Common Multiple of 40678 and 40693?

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 40678 and 40693 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40678 and 40693, than apply into the LCM equation.

GCF(40678,40693) = 1
LCM(40678,40693) = ( 40678 × 40693) / 1
LCM(40678,40693) = 1655309854 / 1
LCM(40678,40693) = 1655309854

Least Common Multiple (LCM) of 40678 and 40693 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40678 and 40693. First we will calculate the prime factors of 40678 and 40693.

Prime Factorization of 40678

Prime Factorization of 40693

Now multiplying the highest exponent prime factors to calculate the LCM of 40678 and 40693.

LCM(40678,40693) = 2¹ × 11¹ × 43² × 40693¹
LCM(40678,40693) = 1655309854