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What is the Least Common Multiple of 79766 and 79770?

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 79766 and 79770 is 3181466910.

LCM(79766,79770) = 3181466910

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Least Common Multiple of 79766 and 79770 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 79766 and 79770, than apply into the LCM equation.

GCF(79766,79770) = 2
LCM(79766,79770) = ( 79766 × 79770) / 2
LCM(79766,79770) = 6362933820 / 2
LCM(79766,79770) = 3181466910

Least Common Multiple (LCM) of 79766 and 79770 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 79766 and 79770. First we will calculate the prime factors of 79766 and 79770.

Prime Factorization of 79766

Prime factors of 79766 are 2, 39883. Prime factorization of 79766 in exponential form is:

79766 = 21 × 398831

Prime Factorization of 79770

Prime factors of 79770 are 2, 3, 5, 2659. Prime factorization of 79770 in exponential form is:

79770 = 21 × 31 × 51 × 26591

Now multiplying the highest exponent prime factors to calculate the LCM of 79766 and 79770.

LCM(79766,79770) = 21 × 398831 × 31 × 51 × 26591
LCM(79766,79770) = 3181466910