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What is the Least Common Multiple of 77819 and 77830?

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 77819 and 77830 is 6056652770.

LCM(77819,77830) = 6056652770

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Least Common Multiple of 77819 and 77830 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 77819 and 77830, than apply into the LCM equation.

GCF(77819,77830) = 1
LCM(77819,77830) = ( 77819 × 77830) / 1
LCM(77819,77830) = 6056652770 / 1
LCM(77819,77830) = 6056652770

Least Common Multiple (LCM) of 77819 and 77830 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 77819 and 77830. First we will calculate the prime factors of 77819 and 77830.

Prime Factorization of 77819

Prime factors of 77819 are 7, 11117. Prime factorization of 77819 in exponential form is:

77819 = 71 × 111171

Prime Factorization of 77830

Prime factors of 77830 are 2, 5, 43, 181. Prime factorization of 77830 in exponential form is:

77830 = 21 × 51 × 431 × 1811

Now multiplying the highest exponent prime factors to calculate the LCM of 77819 and 77830.

LCM(77819,77830) = 71 × 111171 × 21 × 51 × 431 × 1811
LCM(77819,77830) = 6056652770