What is the Least Common Multiple of 69890 and 69906?

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 69890 and 69906 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 69890 and 69906, than apply into the LCM equation.

GCF(69890,69906) = 2
LCM(69890,69906) = ( 69890 × 69906) / 2
LCM(69890,69906) = 4885730340 / 2
LCM(69890,69906) = 2442865170

Least Common Multiple (LCM) of 69890 and 69906 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 69890 and 69906. First we will calculate the prime factors of 69890 and 69906.

Prime Factorization of 69890

Prime Factorization of 69906

Now multiplying the highest exponent prime factors to calculate the LCM of 69890 and 69906.

LCM(69890,69906) = 2¹ × 5¹ × 29¹ × 241¹ × 3¹ × 61¹ × 191¹
LCM(69890,69906) = 2442865170