What is the Least Common Multiple of 71197 and 71209?

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 71197 and 71209 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 71197 and 71209, than apply into the LCM equation.

GCF(71197,71209) = 1
LCM(71197,71209) = ( 71197 × 71209) / 1
LCM(71197,71209) = 5069867173 / 1
LCM(71197,71209) = 5069867173

Least Common Multiple (LCM) of 71197 and 71209 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 71197 and 71209. First we will calculate the prime factors of 71197 and 71209.

Prime Factorization of 71197

Prime Factorization of 71209

Now multiplying the highest exponent prime factors to calculate the LCM of 71197 and 71209.

LCM(71197,71209) = 7² × 1453¹ × 71209¹
LCM(71197,71209) = 5069867173