What is the Least Common Multiple of 81445 and 81462?

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 81445 and 81462 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 81445 and 81462, than apply into the LCM equation.

GCF(81445,81462) = 1
LCM(81445,81462) = ( 81445 × 81462) / 1
LCM(81445,81462) = 6634672590 / 1
LCM(81445,81462) = 6634672590

Least Common Multiple (LCM) of 81445 and 81462 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 81445 and 81462. First we will calculate the prime factors of 81445 and 81462.

Prime Factorization of 81445

Prime Factorization of 81462

Now multiplying the highest exponent prime factors to calculate the LCM of 81445 and 81462.

LCM(81445,81462) = 5¹ × 7¹ × 13¹ × 179¹ × 2¹ × 3¹ × 13577¹
LCM(81445,81462) = 6634672590