What is the Least Common Multiple of 6470 and 6484?

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 6470 and 6484 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 6470 and 6484, than apply into the LCM equation.

GCF(6470,6484) = 2
LCM(6470,6484) = ( 6470 × 6484) / 2
LCM(6470,6484) = 41951480 / 2
LCM(6470,6484) = 20975740

Least Common Multiple (LCM) of 6470 and 6484 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 6470 and 6484. First we will calculate the prime factors of 6470 and 6484.

Prime Factorization of 6470

Prime Factorization of 6484

Now multiplying the highest exponent prime factors to calculate the LCM of 6470 and 6484.

LCM(6470,6484) = 2² × 5¹ × 647¹ × 1621¹
LCM(6470,6484) = 20975740