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What is the Least Common Multiple of 81912 and 81926?

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 81912 and 81926 is 3355361256.

LCM(81912,81926) = 3355361256

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Least Common Multiple of 81912 and 81926 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 81912 and 81926, than apply into the LCM equation.

GCF(81912,81926) = 2
LCM(81912,81926) = ( 81912 × 81926) / 2
LCM(81912,81926) = 6710722512 / 2
LCM(81912,81926) = 3355361256

Least Common Multiple (LCM) of 81912 and 81926 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 81912 and 81926. First we will calculate the prime factors of 81912 and 81926.

Prime Factorization of 81912

Prime factors of 81912 are 2, 3, 3413. Prime factorization of 81912 in exponential form is:

81912 = 23 × 31 × 34131

Prime Factorization of 81926

Prime factors of 81926 are 2, 13, 23, 137. Prime factorization of 81926 in exponential form is:

81926 = 21 × 131 × 231 × 1371

Now multiplying the highest exponent prime factors to calculate the LCM of 81912 and 81926.

LCM(81912,81926) = 23 × 31 × 34131 × 131 × 231 × 1371
LCM(81912,81926) = 3355361256