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What is the Least Common Multiple of 1424 and 1441?

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 1424 and 1441 is 2051984.

LCM(1424,1441) = 2051984

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Least Common Multiple of 1424 and 1441 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1424 and 1441, than apply into the LCM equation.

GCF(1424,1441) = 1
LCM(1424,1441) = ( 1424 × 1441) / 1
LCM(1424,1441) = 2051984 / 1
LCM(1424,1441) = 2051984

Least Common Multiple (LCM) of 1424 and 1441 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 1424 and 1441. First we will calculate the prime factors of 1424 and 1441.

Prime Factorization of 1424

Prime factors of 1424 are 2, 89. Prime factorization of 1424 in exponential form is:

1424 = 24 × 891

Prime Factorization of 1441

Prime factors of 1441 are 11, 131. Prime factorization of 1441 in exponential form is:

1441 = 111 × 1311

Now multiplying the highest exponent prime factors to calculate the LCM of 1424 and 1441.

LCM(1424,1441) = 24 × 891 × 111 × 1311
LCM(1424,1441) = 2051984