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What is the Least Common Multiple of 1674 and 1682?

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 1674 and 1682 is 1407834.

LCM(1674,1682) = 1407834

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Least Common Multiple of 1674 and 1682 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1674 and 1682, than apply into the LCM equation.

GCF(1674,1682) = 2
LCM(1674,1682) = ( 1674 × 1682) / 2
LCM(1674,1682) = 2815668 / 2
LCM(1674,1682) = 1407834

Least Common Multiple (LCM) of 1674 and 1682 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 1674 and 1682. First we will calculate the prime factors of 1674 and 1682.

Prime Factorization of 1674

Prime factors of 1674 are 2, 3, 31. Prime factorization of 1674 in exponential form is:

1674 = 21 × 33 × 311

Prime Factorization of 1682

Prime factors of 1682 are 2, 29. Prime factorization of 1682 in exponential form is:

1682 = 21 × 292

Now multiplying the highest exponent prime factors to calculate the LCM of 1674 and 1682.

LCM(1674,1682) = 21 × 33 × 311 × 292
LCM(1674,1682) = 1407834