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What is the Least Common Multiple of 81746 and 81750?

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 81746 and 81750 is 3341367750.

LCM(81746,81750) = 3341367750

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Least Common Multiple of 81746 and 81750 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 81746 and 81750, than apply into the LCM equation.

GCF(81746,81750) = 2
LCM(81746,81750) = ( 81746 × 81750) / 2
LCM(81746,81750) = 6682735500 / 2
LCM(81746,81750) = 3341367750

Least Common Multiple (LCM) of 81746 and 81750 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 81746 and 81750. First we will calculate the prime factors of 81746 and 81750.

Prime Factorization of 81746

Prime factors of 81746 are 2, 7, 5839. Prime factorization of 81746 in exponential form is:

81746 = 21 × 71 × 58391

Prime Factorization of 81750

Prime factors of 81750 are 2, 3, 5, 109. Prime factorization of 81750 in exponential form is:

81750 = 21 × 31 × 53 × 1091

Now multiplying the highest exponent prime factors to calculate the LCM of 81746 and 81750.

LCM(81746,81750) = 21 × 71 × 58391 × 31 × 53 × 1091
LCM(81746,81750) = 3341367750