What is the Least Common Multiple of 40770 and 40778?

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 40770 and 40778 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40770 and 40778, than apply into the LCM equation.

GCF(40770,40778) = 2
LCM(40770,40778) = ( 40770 × 40778) / 2
LCM(40770,40778) = 1662519060 / 2
LCM(40770,40778) = 831259530

Least Common Multiple (LCM) of 40770 and 40778 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40770 and 40778. First we will calculate the prime factors of 40770 and 40778.

Prime Factorization of 40770

Prime Factorization of 40778

Now multiplying the highest exponent prime factors to calculate the LCM of 40770 and 40778.

LCM(40770,40778) = 2¹ × 3³ × 5¹ × 151¹ × 20389¹
LCM(40770,40778) = 831259530