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What is the Least Common Multiple of 1382 and 1397?

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 1382 and 1397 is 1930654.

LCM(1382,1397) = 1930654

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Least Common Multiple of 1382 and 1397 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1382 and 1397, than apply into the LCM equation.

GCF(1382,1397) = 1
LCM(1382,1397) = ( 1382 × 1397) / 1
LCM(1382,1397) = 1930654 / 1
LCM(1382,1397) = 1930654

Least Common Multiple (LCM) of 1382 and 1397 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 1382 and 1397. First we will calculate the prime factors of 1382 and 1397.

Prime Factorization of 1382

Prime factors of 1382 are 2, 691. Prime factorization of 1382 in exponential form is:

1382 = 21 × 6911

Prime Factorization of 1397

Prime factors of 1397 are 11, 127. Prime factorization of 1397 in exponential form is:

1397 = 111 × 1271

Now multiplying the highest exponent prime factors to calculate the LCM of 1382 and 1397.

LCM(1382,1397) = 21 × 6911 × 111 × 1271
LCM(1382,1397) = 1930654