What is the Least Common Multiple of 67646 and 67654?

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 67646 and 67654 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 67646 and 67654, than apply into the LCM equation.

GCF(67646,67654) = 2
LCM(67646,67654) = ( 67646 × 67654) / 2
LCM(67646,67654) = 4576522484 / 2
LCM(67646,67654) = 2288261242

Least Common Multiple (LCM) of 67646 and 67654 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 67646 and 67654. First we will calculate the prime factors of 67646 and 67654.

Prime Factorization of 67646

Prime Factorization of 67654

Now multiplying the highest exponent prime factors to calculate the LCM of 67646 and 67654.

LCM(67646,67654) = 2¹ × 149¹ × 227¹ × 33827¹
LCM(67646,67654) = 2288261242