What is the Least Common Multiple of 63856 and 63860?

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 63856 and 63860 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 63856 and 63860, than apply into the LCM equation.

GCF(63856,63860) = 4
LCM(63856,63860) = ( 63856 × 63860) / 4
LCM(63856,63860) = 4077844160 / 4
LCM(63856,63860) = 1019461040

Least Common Multiple (LCM) of 63856 and 63860 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 63856 and 63860. First we will calculate the prime factors of 63856 and 63860.

Prime Factorization of 63856

Prime Factorization of 63860

Now multiplying the highest exponent prime factors to calculate the LCM of 63856 and 63860.

LCM(63856,63860) = 2⁴ × 13¹ × 307¹ × 5¹ × 31¹ × 103¹
LCM(63856,63860) = 1019461040