What is the Least Common Multiple of 67260 and 67280?

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 67260 and 67280 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 67260 and 67280, than apply into the LCM equation.

GCF(67260,67280) = 20
LCM(67260,67280) = ( 67260 × 67280) / 20
LCM(67260,67280) = 4525252800 / 20
LCM(67260,67280) = 226262640

Least Common Multiple (LCM) of 67260 and 67280 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 67260 and 67280. First we will calculate the prime factors of 67260 and 67280.

Prime Factorization of 67260

Prime Factorization of 67280

Now multiplying the highest exponent prime factors to calculate the LCM of 67260 and 67280.

LCM(67260,67280) = 2⁴ × 3¹ × 5¹ × 19¹ × 59¹ × 29²
LCM(67260,67280) = 226262640