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What is the Least Common Multiple of 1763 and 1778?

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 1763 and 1778 is 3134614.

LCM(1763,1778) = 3134614

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Least Common Multiple of 1763 and 1778 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1763 and 1778, than apply into the LCM equation.

GCF(1763,1778) = 1
LCM(1763,1778) = ( 1763 × 1778) / 1
LCM(1763,1778) = 3134614 / 1
LCM(1763,1778) = 3134614

Least Common Multiple (LCM) of 1763 and 1778 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 1763 and 1778. First we will calculate the prime factors of 1763 and 1778.

Prime Factorization of 1763

Prime factors of 1763 are 41, 43. Prime factorization of 1763 in exponential form is:

1763 = 411 × 431

Prime Factorization of 1778

Prime factors of 1778 are 2, 7, 127. Prime factorization of 1778 in exponential form is:

1778 = 21 × 71 × 1271

Now multiplying the highest exponent prime factors to calculate the LCM of 1763 and 1778.

LCM(1763,1778) = 411 × 431 × 21 × 71 × 1271
LCM(1763,1778) = 3134614