What is the Least Common Multiple of 43940 and 43954?

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 43940 and 43954 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 43940 and 43954, than apply into the LCM equation.

GCF(43940,43954) = 2
LCM(43940,43954) = ( 43940 × 43954) / 2
LCM(43940,43954) = 1931338760 / 2
LCM(43940,43954) = 965669380

Least Common Multiple (LCM) of 43940 and 43954 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 43940 and 43954. First we will calculate the prime factors of 43940 and 43954.

Prime Factorization of 43940

Prime Factorization of 43954

Now multiplying the highest exponent prime factors to calculate the LCM of 43940 and 43954.

LCM(43940,43954) = 2² × 5¹ × 13³ × 21977¹
LCM(43940,43954) = 965669380