What is the Least Common Multiple of 61609 and 61615?

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 61609 and 61615 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 61609 and 61615, than apply into the LCM equation.

GCF(61609,61615) = 1
LCM(61609,61615) = ( 61609 × 61615) / 1
LCM(61609,61615) = 3796038535 / 1
LCM(61609,61615) = 3796038535

Least Common Multiple (LCM) of 61609 and 61615 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 61609 and 61615. First we will calculate the prime factors of 61609 and 61615.

Prime Factorization of 61609

Prime Factorization of 61615

Now multiplying the highest exponent prime factors to calculate the LCM of 61609 and 61615.

LCM(61609,61615) = 61609¹ × 5¹ × 12323¹
LCM(61609,61615) = 3796038535