What is the Least Common Multiple of 64984 and 65004?

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 64984 and 65004 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 64984 and 65004, than apply into the LCM equation.

GCF(64984,65004) = 4
LCM(64984,65004) = ( 64984 × 65004) / 4
LCM(64984,65004) = 4224219936 / 4
LCM(64984,65004) = 1056054984

Least Common Multiple (LCM) of 64984 and 65004 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 64984 and 65004. First we will calculate the prime factors of 64984 and 65004.

Prime Factorization of 64984

Prime Factorization of 65004

Now multiplying the highest exponent prime factors to calculate the LCM of 64984 and 65004.

LCM(64984,65004) = 2³ × 8123¹ × 3¹ × 5417¹
LCM(64984,65004) = 1056054984