What is the Least Common Multiple of 43903 and 43921?

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 43903 and 43921 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 43903 and 43921, than apply into the LCM equation.

GCF(43903,43921) = 1
LCM(43903,43921) = ( 43903 × 43921) / 1
LCM(43903,43921) = 1928263663 / 1
LCM(43903,43921) = 1928263663

Least Common Multiple (LCM) of 43903 and 43921 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 43903 and 43921. First we will calculate the prime factors of 43903 and 43921.

Prime Factorization of 43903

Prime Factorization of 43921

Now multiplying the highest exponent prime factors to calculate the LCM of 43903 and 43921.

LCM(43903,43921) = 43¹ × 1021¹ × 167¹ × 263¹
LCM(43903,43921) = 1928263663