What is the Least Common Multiple of 22415 and 22431?

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 22415 and 22431 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 22415 and 22431, than apply into the LCM equation.

GCF(22415,22431) = 1
LCM(22415,22431) = ( 22415 × 22431) / 1
LCM(22415,22431) = 502790865 / 1
LCM(22415,22431) = 502790865

Least Common Multiple (LCM) of 22415 and 22431 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 22415 and 22431. First we will calculate the prime factors of 22415 and 22431.

Prime Factorization of 22415

Prime Factorization of 22431

Now multiplying the highest exponent prime factors to calculate the LCM of 22415 and 22431.

LCM(22415,22431) = 5¹ × 4483¹ × 3¹ × 7477¹
LCM(22415,22431) = 502790865