What is the Least Common Multiple of 66939 and 66945?

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 66939 and 66945 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 66939 and 66945, than apply into the LCM equation.

GCF(66939,66945) = 3
LCM(66939,66945) = ( 66939 × 66945) / 3
LCM(66939,66945) = 4481231355 / 3
LCM(66939,66945) = 1493743785

Least Common Multiple (LCM) of 66939 and 66945 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 66939 and 66945. First we will calculate the prime factors of 66939 and 66945.

Prime Factorization of 66939

Prime Factorization of 66945

Now multiplying the highest exponent prime factors to calculate the LCM of 66939 and 66945.

LCM(66939,66945) = 3¹ × 53¹ × 421¹ × 5¹ × 4463¹
LCM(66939,66945) = 1493743785