What is the Least Common Multiple of 81553 and 81566?

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 81553 and 81566 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 81553 and 81566, than apply into the LCM equation.

GCF(81553,81566) = 1
LCM(81553,81566) = ( 81553 × 81566) / 1
LCM(81553,81566) = 6651951998 / 1
LCM(81553,81566) = 6651951998

Least Common Multiple (LCM) of 81553 and 81566 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 81553 and 81566. First we will calculate the prime factors of 81553 and 81566.

Prime Factorization of 81553

Prime Factorization of 81566

Now multiplying the highest exponent prime factors to calculate the LCM of 81553 and 81566.

LCM(81553,81566) = 81553¹ × 2¹ × 17¹ × 2399¹
LCM(81553,81566) = 6651951998