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What is the Least Common Multiple of 1756 and 1761?

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 1756 and 1761 is 3092316.

LCM(1756,1761) = 3092316

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Least Common Multiple of 1756 and 1761 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1756 and 1761, than apply into the LCM equation.

GCF(1756,1761) = 1
LCM(1756,1761) = ( 1756 × 1761) / 1
LCM(1756,1761) = 3092316 / 1
LCM(1756,1761) = 3092316

Least Common Multiple (LCM) of 1756 and 1761 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 1756 and 1761. First we will calculate the prime factors of 1756 and 1761.

Prime Factorization of 1756

Prime factors of 1756 are 2, 439. Prime factorization of 1756 in exponential form is:

1756 = 22 × 4391

Prime Factorization of 1761

Prime factors of 1761 are 3, 587. Prime factorization of 1761 in exponential form is:

1761 = 31 × 5871

Now multiplying the highest exponent prime factors to calculate the LCM of 1756 and 1761.

LCM(1756,1761) = 22 × 4391 × 31 × 5871
LCM(1756,1761) = 3092316