What is the Least Common Multiple of 69871 and 69881?

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 69871 and 69881 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 69871 and 69881, than apply into the LCM equation.

GCF(69871,69881) = 1
LCM(69871,69881) = ( 69871 × 69881) / 1
LCM(69871,69881) = 4882655351 / 1
LCM(69871,69881) = 4882655351

Least Common Multiple (LCM) of 69871 and 69881 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 69871 and 69881. First we will calculate the prime factors of 69871 and 69881.

Prime Factorization of 69871

Prime Factorization of 69881

Now multiplying the highest exponent prime factors to calculate the LCM of 69871 and 69881.

LCM(69871,69881) = 107¹ × 653¹ × 7¹ × 67¹ × 149¹
LCM(69871,69881) = 4882655351