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What is the Least Common Multiple of 76398 and 76409?

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 76398 and 76409 is 5837494782.

LCM(76398,76409) = 5837494782

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Least Common Multiple of 76398 and 76409 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 76398 and 76409, than apply into the LCM equation.

GCF(76398,76409) = 1
LCM(76398,76409) = ( 76398 × 76409) / 1
LCM(76398,76409) = 5837494782 / 1
LCM(76398,76409) = 5837494782

Least Common Multiple (LCM) of 76398 and 76409 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 76398 and 76409. First we will calculate the prime factors of 76398 and 76409.

Prime Factorization of 76398

Prime factors of 76398 are 2, 3, 7, 17, 107. Prime factorization of 76398 in exponential form is:

76398 = 21 × 31 × 71 × 171 × 1071

Prime Factorization of 76409

Prime factors of 76409 are 109, 701. Prime factorization of 76409 in exponential form is:

76409 = 1091 × 7011

Now multiplying the highest exponent prime factors to calculate the LCM of 76398 and 76409.

LCM(76398,76409) = 21 × 31 × 71 × 171 × 1071 × 1091 × 7011
LCM(76398,76409) = 5837494782