What is the Least Common Multiple of 39487 and 39505?

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 39487 and 39505 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 39487 and 39505, than apply into the LCM equation.

GCF(39487,39505) = 1
LCM(39487,39505) = ( 39487 × 39505) / 1
LCM(39487,39505) = 1559933935 / 1
LCM(39487,39505) = 1559933935

Least Common Multiple (LCM) of 39487 and 39505 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 39487 and 39505. First we will calculate the prime factors of 39487 and 39505.

Prime Factorization of 39487

Prime Factorization of 39505

Now multiplying the highest exponent prime factors to calculate the LCM of 39487 and 39505.

LCM(39487,39505) = 7¹ × 5641¹ × 5¹ × 7901¹
LCM(39487,39505) = 1559933935