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What is the Least Common Multiple of 76531 and 76539?

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 76531 and 76539 is 5857606209.

LCM(76531,76539) = 5857606209

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Least Common Multiple of 76531 and 76539 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 76531 and 76539, than apply into the LCM equation.

GCF(76531,76539) = 1
LCM(76531,76539) = ( 76531 × 76539) / 1
LCM(76531,76539) = 5857606209 / 1
LCM(76531,76539) = 5857606209

Least Common Multiple (LCM) of 76531 and 76539 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 76531 and 76539. First we will calculate the prime factors of 76531 and 76539.

Prime Factorization of 76531

Prime factors of 76531 are 7, 13, 29. Prime factorization of 76531 in exponential form is:

76531 = 71 × 131 × 292

Prime Factorization of 76539

Prime factors of 76539 are 3, 31, 823. Prime factorization of 76539 in exponential form is:

76539 = 31 × 311 × 8231

Now multiplying the highest exponent prime factors to calculate the LCM of 76531 and 76539.

LCM(76531,76539) = 71 × 131 × 292 × 31 × 311 × 8231
LCM(76531,76539) = 5857606209