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What is the Least Common Multiple of 77673 and 77686?

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 77673 and 77686 is 6034104678.

LCM(77673,77686) = 6034104678

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Least Common Multiple of 77673 and 77686 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 77673 and 77686, than apply into the LCM equation.

GCF(77673,77686) = 1
LCM(77673,77686) = ( 77673 × 77686) / 1
LCM(77673,77686) = 6034104678 / 1
LCM(77673,77686) = 6034104678

Least Common Multiple (LCM) of 77673 and 77686 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 77673 and 77686. First we will calculate the prime factors of 77673 and 77686.

Prime Factorization of 77673

Prime factors of 77673 are 3, 17, 1523. Prime factorization of 77673 in exponential form is:

77673 = 31 × 171 × 15231

Prime Factorization of 77686

Prime factors of 77686 are 2, 7, 31, 179. Prime factorization of 77686 in exponential form is:

77686 = 21 × 71 × 311 × 1791

Now multiplying the highest exponent prime factors to calculate the LCM of 77673 and 77686.

LCM(77673,77686) = 31 × 171 × 15231 × 21 × 71 × 311 × 1791
LCM(77673,77686) = 6034104678