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What is the Least Common Multiple of 76398 and 76410?

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 76410 is 972928530.

LCM(76398,76410) = 972928530

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Least Common Multiple of 76398 and 76410 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 76410, than apply into the LCM equation.

GCF(76398,76410) = 6
LCM(76398,76410) = ( 76398 × 76410) / 6
LCM(76398,76410) = 5837571180 / 6
LCM(76398,76410) = 972928530

Least Common Multiple (LCM) of 76398 and 76410 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 76398 and 76410. First we will calculate the prime factors of 76398 and 76410.

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 76410

Prime factors of 76410 are 2, 3, 5, 283. Prime factorization of 76410 in exponential form is:

76410 = 21 × 33 × 51 × 2831

Now multiplying the highest exponent prime factors to calculate the LCM of 76398 and 76410.

LCM(76398,76410) = 21 × 33 × 71 × 171 × 1071 × 51 × 2831
LCM(76398,76410) = 972928530