What is the Least Common Multiple of 70531 and 70543?

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 70531 and 70543 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 70531 and 70543, than apply into the LCM equation.

GCF(70531,70543) = 1
LCM(70531,70543) = ( 70531 × 70543) / 1
LCM(70531,70543) = 4975468333 / 1
LCM(70531,70543) = 4975468333

Least Common Multiple (LCM) of 70531 and 70543 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 70531 and 70543. First we will calculate the prime factors of 70531 and 70543.

Prime Factorization of 70531

Prime Factorization of 70543

Now multiplying the highest exponent prime factors to calculate the LCM of 70531 and 70543.

LCM(70531,70543) = 251¹ × 281¹ × 11³ × 53¹
LCM(70531,70543) = 4975468333