What is the Least Common Multiple of 39600 and 39604?

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 39600 and 39604 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 39600 and 39604, than apply into the LCM equation.

GCF(39600,39604) = 4
LCM(39600,39604) = ( 39600 × 39604) / 4
LCM(39600,39604) = 1568318400 / 4
LCM(39600,39604) = 392079600

Least Common Multiple (LCM) of 39600 and 39604 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 39600 and 39604. First we will calculate the prime factors of 39600 and 39604.

Prime Factorization of 39600

Prime Factorization of 39604

Now multiplying the highest exponent prime factors to calculate the LCM of 39600 and 39604.

LCM(39600,39604) = 2⁴ × 3² × 5² × 11¹ × 9901¹
LCM(39600,39604) = 392079600