What is the Least Common Multiple of 74978 and 74982?

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 74978 and 74982 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 74978 and 74982, than apply into the LCM equation.

GCF(74978,74982) = 2
LCM(74978,74982) = ( 74978 × 74982) / 2
LCM(74978,74982) = 5622000396 / 2
LCM(74978,74982) = 2811000198

Least Common Multiple (LCM) of 74978 and 74982 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 74978 and 74982. First we will calculate the prime factors of 74978 and 74982.

Prime Factorization of 74978

Prime Factorization of 74982

Now multiplying the highest exponent prime factors to calculate the LCM of 74978 and 74982.

LCM(74978,74982) = 2¹ × 37489¹ × 3¹ × 12497¹
LCM(74978,74982) = 2811000198