What is the Least Common Multiple of 83428 and 83447?

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 83428 and 83447 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 83428 and 83447, than apply into the LCM equation.

GCF(83428,83447) = 1
LCM(83428,83447) = ( 83428 × 83447) / 1
LCM(83428,83447) = 6961816316 / 1
LCM(83428,83447) = 6961816316

Least Common Multiple (LCM) of 83428 and 83447 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 83428 and 83447. First we will calculate the prime factors of 83428 and 83447.

Prime Factorization of 83428

Prime Factorization of 83447

Now multiplying the highest exponent prime factors to calculate the LCM of 83428 and 83447.

LCM(83428,83447) = 2² × 20857¹ × 7² × 13¹ × 131¹
LCM(83428,83447) = 6961816316