What is the Least Common Multiple of 63861 and 63869?

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 63861 and 63869 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 63861 and 63869, than apply into the LCM equation.

GCF(63861,63869) = 1
LCM(63861,63869) = ( 63861 × 63869) / 1
LCM(63861,63869) = 4078738209 / 1
LCM(63861,63869) = 4078738209

Least Common Multiple (LCM) of 63861 and 63869 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 63861 and 63869. First we will calculate the prime factors of 63861 and 63869.

Prime Factorization of 63861

Prime Factorization of 63869

Now multiplying the highest exponent prime factors to calculate the LCM of 63861 and 63869.

LCM(63861,63869) = 3¹ × 7¹ × 3041¹ × 13¹ × 17³
LCM(63861,63869) = 4078738209