What is the Least Common Multiple of 83770 and 83781?

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 83770 and 83781 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 83770 and 83781, than apply into the LCM equation.

GCF(83770,83781) = 1
LCM(83770,83781) = ( 83770 × 83781) / 1
LCM(83770,83781) = 7018334370 / 1
LCM(83770,83781) = 7018334370

Least Common Multiple (LCM) of 83770 and 83781 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 83770 and 83781. First we will calculate the prime factors of 83770 and 83781.

Prime Factorization of 83770

Prime Factorization of 83781

Now multiplying the highest exponent prime factors to calculate the LCM of 83770 and 83781.

LCM(83770,83781) = 2¹ × 5¹ × 8377¹ × 3³ × 29¹ × 107¹
LCM(83770,83781) = 7018334370