What is the Least Common Multiple of 74921 and 74931?

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 74921 and 74931 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 74921 and 74931, than apply into the LCM equation.

GCF(74921,74931) = 1
LCM(74921,74931) = ( 74921 × 74931) / 1
LCM(74921,74931) = 5613905451 / 1
LCM(74921,74931) = 5613905451

Least Common Multiple (LCM) of 74921 and 74931 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 74921 and 74931. First we will calculate the prime factors of 74921 and 74931.

Prime Factorization of 74921

Prime Factorization of 74931

Now multiplying the highest exponent prime factors to calculate the LCM of 74921 and 74931.

LCM(74921,74931) = 7² × 11¹ × 139¹ × 3¹ × 24977¹
LCM(74921,74931) = 5613905451