What is the Least Common Multiple of 67578 and 67598?

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 67578 and 67598 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 67578 and 67598, than apply into the LCM equation.

GCF(67578,67598) = 2
LCM(67578,67598) = ( 67578 × 67598) / 2
LCM(67578,67598) = 4568137644 / 2
LCM(67578,67598) = 2284068822

Least Common Multiple (LCM) of 67578 and 67598 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 67578 and 67598. First we will calculate the prime factors of 67578 and 67598.

Prime Factorization of 67578

Prime Factorization of 67598

Now multiplying the highest exponent prime factors to calculate the LCM of 67578 and 67598.

LCM(67578,67598) = 2¹ × 3¹ × 7¹ × 1609¹ × 73¹ × 463¹
LCM(67578,67598) = 2284068822