What is the Least Common Multiple of 5685 and 5705?

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 5685 and 5705 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 5685 and 5705, than apply into the LCM equation.

GCF(5685,5705) = 5
LCM(5685,5705) = ( 5685 × 5705) / 5
LCM(5685,5705) = 32432925 / 5
LCM(5685,5705) = 6486585

Least Common Multiple (LCM) of 5685 and 5705 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 5685 and 5705. First we will calculate the prime factors of 5685 and 5705.

Prime Factorization of 5685

Prime Factorization of 5705

Now multiplying the highest exponent prime factors to calculate the LCM of 5685 and 5705.

LCM(5685,5705) = 3¹ × 5¹ × 379¹ × 7¹ × 163¹
LCM(5685,5705) = 6486585