What is the Least Common Multiple of 77281 and 77285?

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 77281 and 77285 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 77281 and 77285, than apply into the LCM equation.

GCF(77281,77285) = 1
LCM(77281,77285) = ( 77281 × 77285) / 1
LCM(77281,77285) = 5972662085 / 1
LCM(77281,77285) = 5972662085

Least Common Multiple (LCM) of 77281 and 77285 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 77281 and 77285. First we will calculate the prime factors of 77281 and 77285.

Prime Factorization of 77281

Prime Factorization of 77285

Now multiplying the highest exponent prime factors to calculate the LCM of 77281 and 77285.

LCM(77281,77285) = 109¹ × 709¹ × 5¹ × 13¹ × 29¹ × 41¹
LCM(77281,77285) = 5972662085