What is the Least Common Multiple of 83609 and 83615?

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 83609 and 83615 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 83609 and 83615, than apply into the LCM equation.

GCF(83609,83615) = 1
LCM(83609,83615) = ( 83609 × 83615) / 1
LCM(83609,83615) = 6990966535 / 1
LCM(83609,83615) = 6990966535

Least Common Multiple (LCM) of 83609 and 83615 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 83609 and 83615. First we will calculate the prime factors of 83609 and 83615.

Prime Factorization of 83609

Prime Factorization of 83615

Now multiplying the highest exponent prime factors to calculate the LCM of 83609 and 83615.

LCM(83609,83615) = 83609¹ × 5¹ × 7¹ × 2389¹
LCM(83609,83615) = 6990966535