What is the Least Common Multiple of 77210 and 77225?

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 77210 and 77225 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 77210 and 77225, than apply into the LCM equation.

GCF(77210,77225) = 5
LCM(77210,77225) = ( 77210 × 77225) / 5
LCM(77210,77225) = 5962542250 / 5
LCM(77210,77225) = 1192508450

Least Common Multiple (LCM) of 77210 and 77225 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 77210 and 77225. First we will calculate the prime factors of 77210 and 77225.

Prime Factorization of 77210

Prime Factorization of 77225

Now multiplying the highest exponent prime factors to calculate the LCM of 77210 and 77225.

LCM(77210,77225) = 2¹ × 5² × 7¹ × 1103¹ × 3089¹
LCM(77210,77225) = 1192508450