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What is the Least Common Multiple of 7779 and 7798?

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 7779 and 7798 is 60660642.

LCM(7779,7798) = 60660642

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Least Common Multiple of 7779 and 7798 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7779 and 7798, than apply into the LCM equation.

GCF(7779,7798) = 1
LCM(7779,7798) = ( 7779 × 7798) / 1
LCM(7779,7798) = 60660642 / 1
LCM(7779,7798) = 60660642

Least Common Multiple (LCM) of 7779 and 7798 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 7779 and 7798. First we will calculate the prime factors of 7779 and 7798.

Prime Factorization of 7779

Prime factors of 7779 are 3, 2593. Prime factorization of 7779 in exponential form is:

7779 = 31 × 25931

Prime Factorization of 7798

Prime factors of 7798 are 2, 7, 557. Prime factorization of 7798 in exponential form is:

7798 = 21 × 71 × 5571

Now multiplying the highest exponent prime factors to calculate the LCM of 7779 and 7798.

LCM(7779,7798) = 31 × 25931 × 21 × 71 × 5571
LCM(7779,7798) = 60660642