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What is the Least Common Multiple of 77469 and 77476?

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 77469 and 77476 is 857426892.

LCM(77469,77476) = 857426892

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Least Common Multiple of 77469 and 77476 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 77469 and 77476, than apply into the LCM equation.

GCF(77469,77476) = 7
LCM(77469,77476) = ( 77469 × 77476) / 7
LCM(77469,77476) = 6001988244 / 7
LCM(77469,77476) = 857426892

Least Common Multiple (LCM) of 77469 and 77476 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 77469 and 77476. First we will calculate the prime factors of 77469 and 77476.

Prime Factorization of 77469

Prime factors of 77469 are 3, 7, 17, 31. Prime factorization of 77469 in exponential form is:

77469 = 31 × 72 × 171 × 311

Prime Factorization of 77476

Prime factors of 77476 are 2, 7, 2767. Prime factorization of 77476 in exponential form is:

77476 = 22 × 71 × 27671

Now multiplying the highest exponent prime factors to calculate the LCM of 77469 and 77476.

LCM(77469,77476) = 31 × 72 × 171 × 311 × 22 × 27671
LCM(77469,77476) = 857426892