What is the Least Common Multiple of 23120 and 23131?

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 23120 and 23131 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 23120 and 23131, than apply into the LCM equation.

GCF(23120,23131) = 1
LCM(23120,23131) = ( 23120 × 23131) / 1
LCM(23120,23131) = 534788720 / 1
LCM(23120,23131) = 534788720

Least Common Multiple (LCM) of 23120 and 23131 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 23120 and 23131. First we will calculate the prime factors of 23120 and 23131.

Prime Factorization of 23120

Prime Factorization of 23131

Now multiplying the highest exponent prime factors to calculate the LCM of 23120 and 23131.

LCM(23120,23131) = 2⁴ × 5¹ × 17² × 23131¹
LCM(23120,23131) = 534788720