What is the Least Common Multiple of 61609 and 61613?

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 61613 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 61613, than apply into the LCM equation.

GCF(61609,61613) = 1
LCM(61609,61613) = ( 61609 × 61613) / 1
LCM(61609,61613) = 3795915317 / 1
LCM(61609,61613) = 3795915317

Least Common Multiple (LCM) of 61609 and 61613 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 61609 and 61613. First we will calculate the prime factors of 61609 and 61613.

Prime Factorization of 61609

Prime Factorization of 61613

Now multiplying the highest exponent prime factors to calculate the LCM of 61609 and 61613.

LCM(61609,61613) = 61609¹ × 61613¹
LCM(61609,61613) = 3795915317