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What is the Least Common Multiple of 1764 and 1773?

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 1764 and 1773 is 347508.

LCM(1764,1773) = 347508

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Least Common Multiple of 1764 and 1773 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1764 and 1773, than apply into the LCM equation.

GCF(1764,1773) = 9
LCM(1764,1773) = ( 1764 × 1773) / 9
LCM(1764,1773) = 3127572 / 9
LCM(1764,1773) = 347508

Least Common Multiple (LCM) of 1764 and 1773 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 1764 and 1773. First we will calculate the prime factors of 1764 and 1773.

Prime Factorization of 1764

Prime factors of 1764 are 2, 3, 7. Prime factorization of 1764 in exponential form is:

1764 = 22 × 32 × 72

Prime Factorization of 1773

Prime factors of 1773 are 3, 197. Prime factorization of 1773 in exponential form is:

1773 = 32 × 1971

Now multiplying the highest exponent prime factors to calculate the LCM of 1764 and 1773.

LCM(1764,1773) = 22 × 32 × 72 × 1971
LCM(1764,1773) = 347508