What is the Least Common Multiple of 25221 and 25228?

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 25221 and 25228 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 25221 and 25228, than apply into the LCM equation.

GCF(25221,25228) = 7
LCM(25221,25228) = ( 25221 × 25228) / 7
LCM(25221,25228) = 636275388 / 7
LCM(25221,25228) = 90896484

Least Common Multiple (LCM) of 25221 and 25228 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 25221 and 25228. First we will calculate the prime factors of 25221 and 25228.

Prime Factorization of 25221

Prime Factorization of 25228

Now multiplying the highest exponent prime factors to calculate the LCM of 25221 and 25228.

LCM(25221,25228) = 3¹ × 7¹ × 1201¹ × 2² × 17¹ × 53¹
LCM(25221,25228) = 90896484