What is the Least Common Multiple of 66639 and 66647?

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 66639 and 66647 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 66639 and 66647, than apply into the LCM equation.

GCF(66639,66647) = 1
LCM(66639,66647) = ( 66639 × 66647) / 1
LCM(66639,66647) = 4441289433 / 1
LCM(66639,66647) = 4441289433

Least Common Multiple (LCM) of 66639 and 66647 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 66639 and 66647. First we will calculate the prime factors of 66639 and 66647.

Prime Factorization of 66639

Prime Factorization of 66647

Now multiplying the highest exponent prime factors to calculate the LCM of 66639 and 66647.

LCM(66639,66647) = 3¹ × 97¹ × 229¹ × 7¹ × 9521¹
LCM(66639,66647) = 4441289433