What is the Least Common Multiple of 51220 and 51228?

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 51220 and 51228 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 51220 and 51228, than apply into the LCM equation.

GCF(51220,51228) = 4
LCM(51220,51228) = ( 51220 × 51228) / 4
LCM(51220,51228) = 2623898160 / 4
LCM(51220,51228) = 655974540

Least Common Multiple (LCM) of 51220 and 51228 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 51220 and 51228. First we will calculate the prime factors of 51220 and 51228.

Prime Factorization of 51220

Prime Factorization of 51228

Now multiplying the highest exponent prime factors to calculate the LCM of 51220 and 51228.

LCM(51220,51228) = 2² × 5¹ × 13¹ × 197¹ × 3² × 1423¹
LCM(51220,51228) = 655974540