What is the Least Common Multiple of 43381 and 43387?

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 43381 and 43387 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 43381 and 43387, than apply into the LCM equation.

GCF(43381,43387) = 1
LCM(43381,43387) = ( 43381 × 43387) / 1
LCM(43381,43387) = 1882171447 / 1
LCM(43381,43387) = 1882171447

Least Common Multiple (LCM) of 43381 and 43387 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 43381 and 43387. First we will calculate the prime factors of 43381 and 43387.

Prime Factorization of 43381

Prime Factorization of 43387

Now multiplying the highest exponent prime factors to calculate the LCM of 43381 and 43387.

LCM(43381,43387) = 13¹ × 47¹ × 71¹ × 43¹ × 1009¹
LCM(43381,43387) = 1882171447