What is the Least Common Multiple of 74670 and 74689?

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 74670 and 74689 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 74670 and 74689, than apply into the LCM equation.

GCF(74670,74689) = 19
LCM(74670,74689) = ( 74670 × 74689) / 19
LCM(74670,74689) = 5577027630 / 19
LCM(74670,74689) = 293527770

Least Common Multiple (LCM) of 74670 and 74689 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 74670 and 74689. First we will calculate the prime factors of 74670 and 74689.

Prime Factorization of 74670

Prime Factorization of 74689

Now multiplying the highest exponent prime factors to calculate the LCM of 74670 and 74689.

LCM(74670,74689) = 2¹ × 3¹ × 5¹ × 19¹ × 131¹ × 3931¹
LCM(74670,74689) = 293527770