What is the Least Common Multiple of 39406 and 39426?

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 39406 and 39426 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 39406 and 39426, than apply into the LCM equation.

GCF(39406,39426) = 2
LCM(39406,39426) = ( 39406 × 39426) / 2
LCM(39406,39426) = 1553620956 / 2
LCM(39406,39426) = 776810478

Least Common Multiple (LCM) of 39406 and 39426 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 39406 and 39426. First we will calculate the prime factors of 39406 and 39426.

Prime Factorization of 39406

Prime Factorization of 39426

Now multiplying the highest exponent prime factors to calculate the LCM of 39406 and 39426.

LCM(39406,39426) = 2¹ × 17¹ × 19¹ × 61¹ × 3¹ × 6571¹
LCM(39406,39426) = 776810478