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What is the Least Common Multiple of 76811 and 76818?

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 76811 and 76818 is 842923914.

LCM(76811,76818) = 842923914

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Least Common Multiple of 76811 and 76818 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 76811 and 76818, than apply into the LCM equation.

GCF(76811,76818) = 7
LCM(76811,76818) = ( 76811 × 76818) / 7
LCM(76811,76818) = 5900467398 / 7
LCM(76811,76818) = 842923914

Least Common Multiple (LCM) of 76811 and 76818 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 76811 and 76818. First we will calculate the prime factors of 76811 and 76818.

Prime Factorization of 76811

Prime factors of 76811 are 7, 10973. Prime factorization of 76811 in exponential form is:

76811 = 71 × 109731

Prime Factorization of 76818

Prime factors of 76818 are 2, 3, 7, 31, 59. Prime factorization of 76818 in exponential form is:

76818 = 21 × 31 × 71 × 311 × 591

Now multiplying the highest exponent prime factors to calculate the LCM of 76811 and 76818.

LCM(76811,76818) = 71 × 109731 × 21 × 31 × 311 × 591
LCM(76811,76818) = 842923914