What is the Least Common Multiple of 28220 and 28232?

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 28220 and 28232 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28220 and 28232, than apply into the LCM equation.

GCF(28220,28232) = 4
LCM(28220,28232) = ( 28220 × 28232) / 4
LCM(28220,28232) = 796707040 / 4
LCM(28220,28232) = 199176760

Least Common Multiple (LCM) of 28220 and 28232 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28220 and 28232. First we will calculate the prime factors of 28220 and 28232.

Prime Factorization of 28220

Prime Factorization of 28232

Now multiplying the highest exponent prime factors to calculate the LCM of 28220 and 28232.

LCM(28220,28232) = 2³ × 5¹ × 17¹ × 83¹ × 3529¹
LCM(28220,28232) = 199176760