What is the Least Common Multiple of 10540 and 10560?

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 10540 and 10560 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 10540 and 10560, than apply into the LCM equation.

GCF(10540,10560) = 20
LCM(10540,10560) = ( 10540 × 10560) / 20
LCM(10540,10560) = 111302400 / 20
LCM(10540,10560) = 5565120

Least Common Multiple (LCM) of 10540 and 10560 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 10540 and 10560. First we will calculate the prime factors of 10540 and 10560.

Prime Factorization of 10540

Prime Factorization of 10560

Now multiplying the highest exponent prime factors to calculate the LCM of 10540 and 10560.

LCM(10540,10560) = 2⁶ × 5¹ × 17¹ × 31¹ × 3¹ × 11¹
LCM(10540,10560) = 5565120