What is the Least Common Multiple of 22890 and 22906?

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 22890 and 22906 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 22890 and 22906, than apply into the LCM equation.

GCF(22890,22906) = 2
LCM(22890,22906) = ( 22890 × 22906) / 2
LCM(22890,22906) = 524318340 / 2
LCM(22890,22906) = 262159170

Least Common Multiple (LCM) of 22890 and 22906 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 22890 and 22906. First we will calculate the prime factors of 22890 and 22906.

Prime Factorization of 22890

Prime Factorization of 22906

Now multiplying the highest exponent prime factors to calculate the LCM of 22890 and 22906.

LCM(22890,22906) = 2¹ × 3¹ × 5¹ × 7¹ × 109¹ × 13¹ × 881¹
LCM(22890,22906) = 262159170