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What is the Least Common Multiple of 76810 and 76821?

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 76810 and 76821 is 5900621010.

LCM(76810,76821) = 5900621010

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Least Common Multiple of 76810 and 76821 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 76810 and 76821, than apply into the LCM equation.

GCF(76810,76821) = 1
LCM(76810,76821) = ( 76810 × 76821) / 1
LCM(76810,76821) = 5900621010 / 1
LCM(76810,76821) = 5900621010

Least Common Multiple (LCM) of 76810 and 76821 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 76810 and 76821. First we will calculate the prime factors of 76810 and 76821.

Prime Factorization of 76810

Prime factors of 76810 are 2, 5, 7681. Prime factorization of 76810 in exponential form is:

76810 = 21 × 51 × 76811

Prime Factorization of 76821

Prime factors of 76821 are 3, 29, 883. Prime factorization of 76821 in exponential form is:

76821 = 31 × 291 × 8831

Now multiplying the highest exponent prime factors to calculate the LCM of 76810 and 76821.

LCM(76810,76821) = 21 × 51 × 76811 × 31 × 291 × 8831
LCM(76810,76821) = 5900621010