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What is the Least Common Multiple of 78647 and 78667?

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 78647 and 78667 is 6186923549.

LCM(78647,78667) = 6186923549

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Least Common Multiple of 78647 and 78667 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 78647 and 78667, than apply into the LCM equation.

GCF(78647,78667) = 1
LCM(78647,78667) = ( 78647 × 78667) / 1
LCM(78647,78667) = 6186923549 / 1
LCM(78647,78667) = 6186923549

Least Common Multiple (LCM) of 78647 and 78667 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78647 and 78667. First we will calculate the prime factors of 78647 and 78667.

Prime Factorization of 78647

Prime factors of 78647 are 31, 43, 59. Prime factorization of 78647 in exponential form is:

78647 = 311 × 431 × 591

Prime Factorization of 78667

Prime factors of 78667 are 97, 811. Prime factorization of 78667 in exponential form is:

78667 = 971 × 8111

Now multiplying the highest exponent prime factors to calculate the LCM of 78647 and 78667.

LCM(78647,78667) = 311 × 431 × 591 × 971 × 8111
LCM(78647,78667) = 6186923549