What is the Least Common Multiple of 39706 and 39722?

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 39706 and 39722 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 39706 and 39722, than apply into the LCM equation.

GCF(39706,39722) = 2
LCM(39706,39722) = ( 39706 × 39722) / 2
LCM(39706,39722) = 1577201732 / 2
LCM(39706,39722) = 788600866

Least Common Multiple (LCM) of 39706 and 39722 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 39706 and 39722. First we will calculate the prime factors of 39706 and 39722.

Prime Factorization of 39706

Prime Factorization of 39722

Now multiplying the highest exponent prime factors to calculate the LCM of 39706 and 39722.

LCM(39706,39722) = 2¹ × 19853¹ × 19861¹
LCM(39706,39722) = 788600866