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What is the Least Common Multiple of 671 and 682?

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 671 and 682 is 41602.

LCM(671,682) = 41602

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Least Common Multiple of 671 and 682 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 671 and 682, than apply into the LCM equation.

GCF(671,682) = 11
LCM(671,682) = ( 671 × 682) / 11
LCM(671,682) = 457622 / 11
LCM(671,682) = 41602

Least Common Multiple (LCM) of 671 and 682 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 671 and 682. First we will calculate the prime factors of 671 and 682.

Prime Factorization of 671

Prime factors of 671 are 11, 61. Prime factorization of 671 in exponential form is:

671 = 111 × 611

Prime Factorization of 682

Prime factors of 682 are 2, 11, 31. Prime factorization of 682 in exponential form is:

682 = 21 × 111 × 311

Now multiplying the highest exponent prime factors to calculate the LCM of 671 and 682.

LCM(671,682) = 111 × 611 × 21 × 311
LCM(671,682) = 41602