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What is the Least Common Multiple of 77815 and 77824?

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 77815 and 77824 is 6055874560.

LCM(77815,77824) = 6055874560

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Least Common Multiple of 77815 and 77824 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 77815 and 77824, than apply into the LCM equation.

GCF(77815,77824) = 1
LCM(77815,77824) = ( 77815 × 77824) / 1
LCM(77815,77824) = 6055874560 / 1
LCM(77815,77824) = 6055874560

Least Common Multiple (LCM) of 77815 and 77824 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 77815 and 77824. First we will calculate the prime factors of 77815 and 77824.

Prime Factorization of 77815

Prime factors of 77815 are 5, 79, 197. Prime factorization of 77815 in exponential form is:

77815 = 51 × 791 × 1971

Prime Factorization of 77824

Prime factors of 77824 are 2, 19. Prime factorization of 77824 in exponential form is:

77824 = 212 × 191

Now multiplying the highest exponent prime factors to calculate the LCM of 77815 and 77824.

LCM(77815,77824) = 51 × 791 × 1971 × 212 × 191
LCM(77815,77824) = 6055874560