What is the Least Common Multiple of 74974 and 74993?

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 74974 and 74993 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 74974 and 74993, than apply into the LCM equation.

GCF(74974,74993) = 19
LCM(74974,74993) = ( 74974 × 74993) / 19
LCM(74974,74993) = 5622525182 / 19
LCM(74974,74993) = 295922378

Least Common Multiple (LCM) of 74974 and 74993 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 74974 and 74993. First we will calculate the prime factors of 74974 and 74993.

Prime Factorization of 74974

Prime Factorization of 74993

Now multiplying the highest exponent prime factors to calculate the LCM of 74974 and 74993.

LCM(74974,74993) = 2¹ × 19¹ × 1973¹ × 3947¹
LCM(74974,74993) = 295922378