What is the Least Common Multiple of 41401 and 41420?

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 41401 and 41420 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 41401 and 41420, than apply into the LCM equation.

GCF(41401,41420) = 19
LCM(41401,41420) = ( 41401 × 41420) / 19
LCM(41401,41420) = 1714829420 / 19
LCM(41401,41420) = 90254180

Least Common Multiple (LCM) of 41401 and 41420 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 41401 and 41420. First we will calculate the prime factors of 41401 and 41420.

Prime Factorization of 41401

Prime Factorization of 41420

Now multiplying the highest exponent prime factors to calculate the LCM of 41401 and 41420.

LCM(41401,41420) = 19¹ × 2179¹ × 2² × 5¹ × 109¹
LCM(41401,41420) = 90254180