What is the Least Common Multiple of 10480 and 10492?

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 10480 and 10492 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 10480 and 10492, than apply into the LCM equation.

GCF(10480,10492) = 4
LCM(10480,10492) = ( 10480 × 10492) / 4
LCM(10480,10492) = 109956160 / 4
LCM(10480,10492) = 27489040

Least Common Multiple (LCM) of 10480 and 10492 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 10480 and 10492. First we will calculate the prime factors of 10480 and 10492.

Prime Factorization of 10480

Prime Factorization of 10492

Now multiplying the highest exponent prime factors to calculate the LCM of 10480 and 10492.

LCM(10480,10492) = 2⁴ × 5¹ × 131¹ × 43¹ × 61¹
LCM(10480,10492) = 27489040