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What is the Least Common Multiple of 76930 and 76940?

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 76930 and 76940 is 591899420.

LCM(76930,76940) = 591899420

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Least Common Multiple of 76930 and 76940 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 76930 and 76940, than apply into the LCM equation.

GCF(76930,76940) = 10
LCM(76930,76940) = ( 76930 × 76940) / 10
LCM(76930,76940) = 5918994200 / 10
LCM(76930,76940) = 591899420

Least Common Multiple (LCM) of 76930 and 76940 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 76930 and 76940. First we will calculate the prime factors of 76930 and 76940.

Prime Factorization of 76930

Prime factors of 76930 are 2, 5, 7, 157. Prime factorization of 76930 in exponential form is:

76930 = 21 × 51 × 72 × 1571

Prime Factorization of 76940

Prime factors of 76940 are 2, 5, 3847. Prime factorization of 76940 in exponential form is:

76940 = 22 × 51 × 38471

Now multiplying the highest exponent prime factors to calculate the LCM of 76930 and 76940.

LCM(76930,76940) = 22 × 51 × 72 × 1571 × 38471
LCM(76930,76940) = 591899420