What is the Least Common Multiple of 12070 and 12086?

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 12070 and 12086 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 12070 and 12086, than apply into the LCM equation.

GCF(12070,12086) = 2
LCM(12070,12086) = ( 12070 × 12086) / 2
LCM(12070,12086) = 145878020 / 2
LCM(12070,12086) = 72939010

Least Common Multiple (LCM) of 12070 and 12086 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 12070 and 12086. First we will calculate the prime factors of 12070 and 12086.

Prime Factorization of 12070

Prime Factorization of 12086

Now multiplying the highest exponent prime factors to calculate the LCM of 12070 and 12086.

LCM(12070,12086) = 2¹ × 5¹ × 17¹ × 71¹ × 6043¹
LCM(12070,12086) = 72939010