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What is the Least Common Multiple of 76438 and 76457?

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 76438 and 76457 is 5844220166.

LCM(76438,76457) = 5844220166

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Least Common Multiple of 76438 and 76457 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 76438 and 76457, than apply into the LCM equation.

GCF(76438,76457) = 1
LCM(76438,76457) = ( 76438 × 76457) / 1
LCM(76438,76457) = 5844220166 / 1
LCM(76438,76457) = 5844220166

Least Common Multiple (LCM) of 76438 and 76457 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 76438 and 76457. First we will calculate the prime factors of 76438 and 76457.

Prime Factorization of 76438

Prime factors of 76438 are 2, 38219. Prime factorization of 76438 in exponential form is:

76438 = 21 × 382191

Prime Factorization of 76457

Prime factors of 76457 are 101, 757. Prime factorization of 76457 in exponential form is:

76457 = 1011 × 7571

Now multiplying the highest exponent prime factors to calculate the LCM of 76438 and 76457.

LCM(76438,76457) = 21 × 382191 × 1011 × 7571
LCM(76438,76457) = 5844220166