What is the Least Common Multiple of 83540 and 83546?

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 83540 and 83546 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 83540 and 83546, than apply into the LCM equation.

GCF(83540,83546) = 2
LCM(83540,83546) = ( 83540 × 83546) / 2
LCM(83540,83546) = 6979432840 / 2
LCM(83540,83546) = 3489716420

Least Common Multiple (LCM) of 83540 and 83546 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 83540 and 83546. First we will calculate the prime factors of 83540 and 83546.

Prime Factorization of 83540

Prime Factorization of 83546

Now multiplying the highest exponent prime factors to calculate the LCM of 83540 and 83546.

LCM(83540,83546) = 2² × 5¹ × 4177¹ × 37¹ × 1129¹
LCM(83540,83546) = 3489716420