What is the Least Common Multiple of 22490 and 22506?

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 22490 and 22506 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 22490 and 22506, than apply into the LCM equation.

GCF(22490,22506) = 2
LCM(22490,22506) = ( 22490 × 22506) / 2
LCM(22490,22506) = 506159940 / 2
LCM(22490,22506) = 253079970

Least Common Multiple (LCM) of 22490 and 22506 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 22490 and 22506. First we will calculate the prime factors of 22490 and 22506.

Prime Factorization of 22490

Prime Factorization of 22506

Now multiplying the highest exponent prime factors to calculate the LCM of 22490 and 22506.

LCM(22490,22506) = 2¹ × 5¹ × 13¹ × 173¹ × 3¹ × 11² × 31¹
LCM(22490,22506) = 253079970