What is the Least Common Multiple of 64688 and 64706?

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 64688 and 64706 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 64688 and 64706, than apply into the LCM equation.

GCF(64688,64706) = 2
LCM(64688,64706) = ( 64688 × 64706) / 2
LCM(64688,64706) = 4185701728 / 2
LCM(64688,64706) = 2092850864

Least Common Multiple (LCM) of 64688 and 64706 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 64688 and 64706. First we will calculate the prime factors of 64688 and 64706.

Prime Factorization of 64688

Prime Factorization of 64706

Now multiplying the highest exponent prime factors to calculate the LCM of 64688 and 64706.

LCM(64688,64706) = 2⁴ × 13¹ × 311¹ × 32353¹
LCM(64688,64706) = 2092850864