What is the Least Common Multiple of 1321 and 1341?

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 1321 and 1341 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1321 and 1341, than apply into the LCM equation.

GCF(1321,1341) = 1
LCM(1321,1341) = ( 1321 × 1341) / 1
LCM(1321,1341) = 1771461 / 1
LCM(1321,1341) = 1771461

Least Common Multiple (LCM) of 1321 and 1341 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 1321 and 1341. First we will calculate the prime factors of 1321 and 1341.

Prime Factorization of 1321

Prime Factorization of 1341

Now multiplying the highest exponent prime factors to calculate the LCM of 1321 and 1341.

LCM(1321,1341) = 1321¹ × 3² × 149¹
LCM(1321,1341) = 1771461