What is the Least Common Multiple of 78205 and 78211?

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 78205 and 78211 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78205 and 78211, than apply into the LCM equation.

GCF(78205,78211) = 1
LCM(78205,78211) = ( 78205 × 78211) / 1
LCM(78205,78211) = 6116491255 / 1
LCM(78205,78211) = 6116491255

Least Common Multiple (LCM) of 78205 and 78211 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78205 and 78211. First we will calculate the prime factors of 78205 and 78211.

Prime Factorization of 78205

Prime Factorization of 78211

Now multiplying the highest exponent prime factors to calculate the LCM of 78205 and 78211.

LCM(78205,78211) = 5¹ × 15641¹ × 7¹ × 11173¹
LCM(78205,78211) = 6116491255