What is the Least Common Multiple of 65685 and 65703?

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 65685 and 65703 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 65685 and 65703, than apply into the LCM equation.

GCF(65685,65703) = 3
LCM(65685,65703) = ( 65685 × 65703) / 3
LCM(65685,65703) = 4315701555 / 3
LCM(65685,65703) = 1438567185

Least Common Multiple (LCM) of 65685 and 65703 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 65685 and 65703. First we will calculate the prime factors of 65685 and 65703.

Prime Factorization of 65685

Prime Factorization of 65703

Now multiplying the highest exponent prime factors to calculate the LCM of 65685 and 65703.

LCM(65685,65703) = 3¹ × 5¹ × 29¹ × 151¹ × 11² × 181¹
LCM(65685,65703) = 1438567185