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What is the Least Common Multiple of 1331 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 (LCM) of 1331 and 1341 is 1784871.

LCM(1331,1341) = 1784871

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Least Common Multiple of 1331 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 1331 and 1341, than apply into the LCM equation.

GCF(1331,1341) = 1
LCM(1331,1341) = ( 1331 × 1341) / 1
LCM(1331,1341) = 1784871 / 1
LCM(1331,1341) = 1784871

Least Common Multiple (LCM) of 1331 and 1341 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 1331 and 1341. First we will calculate the prime factors of 1331 and 1341.

Prime Factorization of 1331

Prime factors of 1331 are 11. Prime factorization of 1331 in exponential form is:

1331 = 113

Prime Factorization of 1341

Prime factors of 1341 are 3, 149. Prime factorization of 1341 in exponential form is:

1341 = 32 × 1491

Now multiplying the highest exponent prime factors to calculate the LCM of 1331 and 1341.

LCM(1331,1341) = 113 × 32 × 1491
LCM(1331,1341) = 1784871