What is the Least Common Multiple of 83431 and 83438?

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 83431 and 83438 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 83431 and 83438, than apply into the LCM equation.

GCF(83431,83438) = 1
LCM(83431,83438) = ( 83431 × 83438) / 1
LCM(83431,83438) = 6961315778 / 1
LCM(83431,83438) = 6961315778

Least Common Multiple (LCM) of 83431 and 83438 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 83431 and 83438. First we will calculate the prime factors of 83431 and 83438.

Prime Factorization of 83431

Prime Factorization of 83438

Now multiplying the highest exponent prime factors to calculate the LCM of 83431 and 83438.

LCM(83431,83438) = 83431¹ × 2¹ × 41719¹
LCM(83431,83438) = 6961315778