What is the Least Common Multiple of 9865 and 9885?

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 9865 and 9885 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 9865 and 9885, than apply into the LCM equation.

GCF(9865,9885) = 5
LCM(9865,9885) = ( 9865 × 9885) / 5
LCM(9865,9885) = 97515525 / 5
LCM(9865,9885) = 19503105

Least Common Multiple (LCM) of 9865 and 9885 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 9865 and 9885. First we will calculate the prime factors of 9865 and 9885.

Prime Factorization of 9865

Prime Factorization of 9885

Now multiplying the highest exponent prime factors to calculate the LCM of 9865 and 9885.

LCM(9865,9885) = 5¹ × 1973¹ × 3¹ × 659¹
LCM(9865,9885) = 19503105