What is the Least Common Multiple of 76220 and 76228?

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 76220 and 76228 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 76220 and 76228, than apply into the LCM equation.

GCF(76220,76228) = 4
LCM(76220,76228) = ( 76220 × 76228) / 4
LCM(76220,76228) = 5810098160 / 4
LCM(76220,76228) = 1452524540

Least Common Multiple (LCM) of 76220 and 76228 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 76220 and 76228. First we will calculate the prime factors of 76220 and 76228.

Prime Factorization of 76220

Prime Factorization of 76228

Now multiplying the highest exponent prime factors to calculate the LCM of 76220 and 76228.

LCM(76220,76228) = 2² × 5¹ × 37¹ × 103¹ × 17¹ × 19¹ × 59¹
LCM(76220,76228) = 1452524540