What is the Least Common Multiple of 26401 and 26409?

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 26401 and 26409 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 26401 and 26409, than apply into the LCM equation.

GCF(26401,26409) = 1
LCM(26401,26409) = ( 26401 × 26409) / 1
LCM(26401,26409) = 697224009 / 1
LCM(26401,26409) = 697224009

Least Common Multiple (LCM) of 26401 and 26409 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 26401 and 26409. First we will calculate the prime factors of 26401 and 26409.

Prime Factorization of 26401

Prime Factorization of 26409

Now multiplying the highest exponent prime factors to calculate the LCM of 26401 and 26409.

LCM(26401,26409) = 17¹ × 1553¹ × 3¹ × 8803¹
LCM(26401,26409) = 697224009