What is the Least Common Multiple of 27638 and 27647?

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 27638 and 27647 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 27638 and 27647, than apply into the LCM equation.

GCF(27638,27647) = 1
LCM(27638,27647) = ( 27638 × 27647) / 1
LCM(27638,27647) = 764107786 / 1
LCM(27638,27647) = 764107786

Least Common Multiple (LCM) of 27638 and 27647 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 27638 and 27647. First we will calculate the prime factors of 27638 and 27647.

Prime Factorization of 27638

Prime Factorization of 27647

Now multiplying the highest exponent prime factors to calculate the LCM of 27638 and 27647.

LCM(27638,27647) = 2¹ × 13¹ × 1063¹ × 27647¹
LCM(27638,27647) = 764107786