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What is the Least Common Multiple of 78654 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 78654 and 78667 is 6187474218.

LCM(78654,78667) = 6187474218

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Least Common Multiple of 78654 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 78654 and 78667, than apply into the LCM equation.

GCF(78654,78667) = 1
LCM(78654,78667) = ( 78654 × 78667) / 1
LCM(78654,78667) = 6187474218 / 1
LCM(78654,78667) = 6187474218

Least Common Multiple (LCM) of 78654 and 78667 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 78654 and 78667. First we will calculate the prime factors of 78654 and 78667.

Prime Factorization of 78654

Prime factors of 78654 are 2, 3, 13109. Prime factorization of 78654 in exponential form is:

78654 = 21 × 31 × 131091

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 78654 and 78667.

LCM(78654,78667) = 21 × 31 × 131091 × 971 × 8111
LCM(78654,78667) = 6187474218