What is the Least Common Multiple of 97309 and 97321?

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 97309 and 97321 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 97309 and 97321, than apply into the LCM equation.

GCF(97309,97321) = 1
LCM(97309,97321) = ( 97309 × 97321) / 1
LCM(97309,97321) = 9470209189 / 1
LCM(97309,97321) = 9470209189

Least Common Multiple (LCM) of 97309 and 97321 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 97309 and 97321. First we will calculate the prime factors of 97309 and 97321.

Prime Factorization of 97309

Prime Factorization of 97321

Now multiplying the highest exponent prime factors to calculate the LCM of 97309 and 97321.

LCM(97309,97321) = 31¹ × 43¹ × 73¹ × 7¹ × 13903¹
LCM(97309,97321) = 9470209189