What is the Least Common Multiple of 74638 and 74649?

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 74638 and 74649 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 74638 and 74649, than apply into the LCM equation.

GCF(74638,74649) = 1
LCM(74638,74649) = ( 74638 × 74649) / 1
LCM(74638,74649) = 5571652062 / 1
LCM(74638,74649) = 5571652062

Least Common Multiple (LCM) of 74638 and 74649 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 74638 and 74649. First we will calculate the prime factors of 74638 and 74649.

Prime Factorization of 74638

Prime Factorization of 74649

Now multiplying the highest exponent prime factors to calculate the LCM of 74638 and 74649.

LCM(74638,74649) = 2¹ × 67¹ × 557¹ × 3¹ × 149¹ × 167¹
LCM(74638,74649) = 5571652062