What is the Least Common Multiple of 61570 and 61582?

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 61570 and 61582 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 61570 and 61582, than apply into the LCM equation.

GCF(61570,61582) = 2
LCM(61570,61582) = ( 61570 × 61582) / 2
LCM(61570,61582) = 3791603740 / 2
LCM(61570,61582) = 1895801870

Least Common Multiple (LCM) of 61570 and 61582 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 61570 and 61582. First we will calculate the prime factors of 61570 and 61582.

Prime Factorization of 61570

Prime Factorization of 61582

Now multiplying the highest exponent prime factors to calculate the LCM of 61570 and 61582.

LCM(61570,61582) = 2¹ × 5¹ × 47¹ × 131¹ × 41¹ × 751¹
LCM(61570,61582) = 1895801870