What is the Least Common Multiple of 66906 and 66913?

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 66906 and 66913 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 66906 and 66913, than apply into the LCM equation.

GCF(66906,66913) = 7
LCM(66906,66913) = ( 66906 × 66913) / 7
LCM(66906,66913) = 4476881178 / 7
LCM(66906,66913) = 639554454

Least Common Multiple (LCM) of 66906 and 66913 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 66906 and 66913. First we will calculate the prime factors of 66906 and 66913.

Prime Factorization of 66906

Prime Factorization of 66913

Now multiplying the highest exponent prime factors to calculate the LCM of 66906 and 66913.

LCM(66906,66913) = 2¹ × 3⁴ × 7¹ × 59¹ × 11² × 79¹
LCM(66906,66913) = 639554454