What is the Least Common Multiple of 61580 and 61585?

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 61580 and 61585 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 61580 and 61585, than apply into the LCM equation.

GCF(61580,61585) = 5
LCM(61580,61585) = ( 61580 × 61585) / 5
LCM(61580,61585) = 3792404300 / 5
LCM(61580,61585) = 758480860

Least Common Multiple (LCM) of 61580 and 61585 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 61580 and 61585. First we will calculate the prime factors of 61580 and 61585.

Prime Factorization of 61580

Prime Factorization of 61585

Now multiplying the highest exponent prime factors to calculate the LCM of 61580 and 61585.

LCM(61580,61585) = 2² × 5¹ × 3079¹ × 109¹ × 113¹
LCM(61580,61585) = 758480860