What is the Least Common Multiple of 65641 and 65647?

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 65641 and 65647 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 65641 and 65647, than apply into the LCM equation.

GCF(65641,65647) = 1
LCM(65641,65647) = ( 65641 × 65647) / 1
LCM(65641,65647) = 4309134727 / 1
LCM(65641,65647) = 4309134727

Least Common Multiple (LCM) of 65641 and 65647 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 65641 and 65647. First we will calculate the prime factors of 65641 and 65647.

Prime Factorization of 65641

Prime Factorization of 65647

Now multiplying the highest exponent prime factors to calculate the LCM of 65641 and 65647.

LCM(65641,65647) = 41¹ × 1601¹ × 65647¹
LCM(65641,65647) = 4309134727