What is the Least Common Multiple of 74161 and 74181?

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 74161 and 74181 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 74161 and 74181, than apply into the LCM equation.

GCF(74161,74181) = 1
LCM(74161,74181) = ( 74161 × 74181) / 1
LCM(74161,74181) = 5501337141 / 1
LCM(74161,74181) = 5501337141

Least Common Multiple (LCM) of 74161 and 74181 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 74161 and 74181. First we will calculate the prime factors of 74161 and 74181.

Prime Factorization of 74161

Prime Factorization of 74181

Now multiplying the highest exponent prime factors to calculate the LCM of 74161 and 74181.

LCM(74161,74181) = 74161¹ × 3¹ × 79¹ × 313¹
LCM(74161,74181) = 5501337141