What is the Least Common Multiple of 41620 and 41638?

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 41620 and 41638 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 41620 and 41638, than apply into the LCM equation.

GCF(41620,41638) = 2
LCM(41620,41638) = ( 41620 × 41638) / 2
LCM(41620,41638) = 1732973560 / 2
LCM(41620,41638) = 866486780

Least Common Multiple (LCM) of 41620 and 41638 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 41620 and 41638. First we will calculate the prime factors of 41620 and 41638.

Prime Factorization of 41620

Prime Factorization of 41638

Now multiplying the highest exponent prime factors to calculate the LCM of 41620 and 41638.

LCM(41620,41638) = 2² × 5¹ × 2081¹ × 109¹ × 191¹
LCM(41620,41638) = 866486780