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What is the Least Common Multiple of 77792 and 77803?

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 77792 and 77803 is 550222816.

LCM(77792,77803) = 550222816

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Least Common Multiple of 77792 and 77803 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 77792 and 77803, than apply into the LCM equation.

GCF(77792,77803) = 11
LCM(77792,77803) = ( 77792 × 77803) / 11
LCM(77792,77803) = 6052450976 / 11
LCM(77792,77803) = 550222816

Least Common Multiple (LCM) of 77792 and 77803 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 77792 and 77803. First we will calculate the prime factors of 77792 and 77803.

Prime Factorization of 77792

Prime factors of 77792 are 2, 11, 13, 17. Prime factorization of 77792 in exponential form is:

77792 = 25 × 111 × 131 × 171

Prime Factorization of 77803

Prime factors of 77803 are 11, 643. Prime factorization of 77803 in exponential form is:

77803 = 112 × 6431

Now multiplying the highest exponent prime factors to calculate the LCM of 77792 and 77803.

LCM(77792,77803) = 25 × 112 × 131 × 171 × 6431
LCM(77792,77803) = 550222816