What is the Least Common Multiple of 71387 and 71391?

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 71387 and 71391 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 71387 and 71391, than apply into the LCM equation.

GCF(71387,71391) = 1
LCM(71387,71391) = ( 71387 × 71391) / 1
LCM(71387,71391) = 5096389317 / 1
LCM(71387,71391) = 5096389317

Least Common Multiple (LCM) of 71387 and 71391 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 71387 and 71391. First we will calculate the prime factors of 71387 and 71391.

Prime Factorization of 71387

Prime Factorization of 71391

Now multiplying the highest exponent prime factors to calculate the LCM of 71387 and 71391.

LCM(71387,71391) = 71387¹ × 3¹ × 53¹ × 449¹
LCM(71387,71391) = 5096389317