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What is the Least Common Multiple of 78560 and 78567?

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 78560 and 78567 is 6172223520.

LCM(78560,78567) = 6172223520

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Least Common Multiple of 78560 and 78567 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78560 and 78567, than apply into the LCM equation.

GCF(78560,78567) = 1
LCM(78560,78567) = ( 78560 × 78567) / 1
LCM(78560,78567) = 6172223520 / 1
LCM(78560,78567) = 6172223520

Least Common Multiple (LCM) of 78560 and 78567 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78560 and 78567. First we will calculate the prime factors of 78560 and 78567.

Prime Factorization of 78560

Prime factors of 78560 are 2, 5, 491. Prime factorization of 78560 in exponential form is:

78560 = 25 × 51 × 4911

Prime Factorization of 78567

Prime factors of 78567 are 3, 26189. Prime factorization of 78567 in exponential form is:

78567 = 31 × 261891

Now multiplying the highest exponent prime factors to calculate the LCM of 78560 and 78567.

LCM(78560,78567) = 25 × 51 × 4911 × 31 × 261891
LCM(78560,78567) = 6172223520