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What is the Least Common Multiple of 68665 and 68682?

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 68665 and 68682 is 4716049530.

LCM(68665,68682) = 4716049530

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Least Common Multiple of 68665 and 68682 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 68665 and 68682, than apply into the LCM equation.

GCF(68665,68682) = 1
LCM(68665,68682) = ( 68665 × 68682) / 1
LCM(68665,68682) = 4716049530 / 1
LCM(68665,68682) = 4716049530

Least Common Multiple (LCM) of 68665 and 68682 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 68665 and 68682. First we will calculate the prime factors of 68665 and 68682.

Prime Factorization of 68665

Prime factors of 68665 are 5, 31, 443. Prime factorization of 68665 in exponential form is:

68665 = 51 × 311 × 4431

Prime Factorization of 68682

Prime factors of 68682 are 2, 3, 11447. Prime factorization of 68682 in exponential form is:

68682 = 21 × 31 × 114471

Now multiplying the highest exponent prime factors to calculate the LCM of 68665 and 68682.

LCM(68665,68682) = 51 × 311 × 4431 × 21 × 31 × 114471
LCM(68665,68682) = 4716049530