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What is the Least Common Multiple of 1676 and 1685?

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 1676 and 1685 is 2824060.

LCM(1676,1685) = 2824060

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Least Common Multiple of 1676 and 1685 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1676 and 1685, than apply into the LCM equation.

GCF(1676,1685) = 1
LCM(1676,1685) = ( 1676 × 1685) / 1
LCM(1676,1685) = 2824060 / 1
LCM(1676,1685) = 2824060

Least Common Multiple (LCM) of 1676 and 1685 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 1676 and 1685. First we will calculate the prime factors of 1676 and 1685.

Prime Factorization of 1676

Prime factors of 1676 are 2, 419. Prime factorization of 1676 in exponential form is:

1676 = 22 × 4191

Prime Factorization of 1685

Prime factors of 1685 are 5, 337. Prime factorization of 1685 in exponential form is:

1685 = 51 × 3371

Now multiplying the highest exponent prime factors to calculate the LCM of 1676 and 1685.

LCM(1676,1685) = 22 × 4191 × 51 × 3371
LCM(1676,1685) = 2824060