What is the Least Common Multiple of 39698 and 39710?

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 39698 and 39710 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 39698 and 39710, than apply into the LCM equation.

GCF(39698,39710) = 2
LCM(39698,39710) = ( 39698 × 39710) / 2
LCM(39698,39710) = 1576407580 / 2
LCM(39698,39710) = 788203790

Least Common Multiple (LCM) of 39698 and 39710 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 39698 and 39710. First we will calculate the prime factors of 39698 and 39710.

Prime Factorization of 39698

Prime Factorization of 39710

Now multiplying the highest exponent prime factors to calculate the LCM of 39698 and 39710.

LCM(39698,39710) = 2¹ × 23¹ × 863¹ × 5¹ × 11¹ × 19²
LCM(39698,39710) = 788203790