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What is the Least Common Multiple of 77451 and 77456?

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 77451 and 77456 is 5999044656.

LCM(77451,77456) = 5999044656

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Least Common Multiple of 77451 and 77456 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 77451 and 77456, than apply into the LCM equation.

GCF(77451,77456) = 1
LCM(77451,77456) = ( 77451 × 77456) / 1
LCM(77451,77456) = 5999044656 / 1
LCM(77451,77456) = 5999044656

Least Common Multiple (LCM) of 77451 and 77456 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 77451 and 77456. First we will calculate the prime factors of 77451 and 77456.

Prime Factorization of 77451

Prime factors of 77451 are 3, 11, 2347. Prime factorization of 77451 in exponential form is:

77451 = 31 × 111 × 23471

Prime Factorization of 77456

Prime factors of 77456 are 2, 47, 103. Prime factorization of 77456 in exponential form is:

77456 = 24 × 471 × 1031

Now multiplying the highest exponent prime factors to calculate the LCM of 77451 and 77456.

LCM(77451,77456) = 31 × 111 × 23471 × 24 × 471 × 1031
LCM(77451,77456) = 5999044656