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What is the Least Common Multiple of 77766 and 77778?

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 77766 and 77778 is 1008080658.

LCM(77766,77778) = 1008080658

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Least Common Multiple of 77766 and 77778 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 77766 and 77778, than apply into the LCM equation.

GCF(77766,77778) = 6
LCM(77766,77778) = ( 77766 × 77778) / 6
LCM(77766,77778) = 6048483948 / 6
LCM(77766,77778) = 1008080658

Least Common Multiple (LCM) of 77766 and 77778 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 77766 and 77778. First we will calculate the prime factors of 77766 and 77778.

Prime Factorization of 77766

Prime factors of 77766 are 2, 3, 13, 997. Prime factorization of 77766 in exponential form is:

77766 = 21 × 31 × 131 × 9971

Prime Factorization of 77778

Prime factors of 77778 are 2, 3, 29, 149. Prime factorization of 77778 in exponential form is:

77778 = 21 × 32 × 291 × 1491

Now multiplying the highest exponent prime factors to calculate the LCM of 77766 and 77778.

LCM(77766,77778) = 21 × 32 × 131 × 9971 × 291 × 1491
LCM(77766,77778) = 1008080658