What is the Least Common Multiple of 7865 and 7885?

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 7865 and 7885 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7865 and 7885, than apply into the LCM equation.

GCF(7865,7885) = 5
LCM(7865,7885) = ( 7865 × 7885) / 5
LCM(7865,7885) = 62015525 / 5
LCM(7865,7885) = 12403105

Least Common Multiple (LCM) of 7865 and 7885 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 7865 and 7885. First we will calculate the prime factors of 7865 and 7885.

Prime Factorization of 7865

Prime Factorization of 7885

Now multiplying the highest exponent prime factors to calculate the LCM of 7865 and 7885.

LCM(7865,7885) = 5¹ × 11² × 13¹ × 19¹ × 83¹
LCM(7865,7885) = 12403105