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What is the Least Common Multiple of 1776 and 1789?

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 1776 and 1789 is 3177264.

LCM(1776,1789) = 3177264

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Least Common Multiple of 1776 and 1789 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1776 and 1789, than apply into the LCM equation.

GCF(1776,1789) = 1
LCM(1776,1789) = ( 1776 × 1789) / 1
LCM(1776,1789) = 3177264 / 1
LCM(1776,1789) = 3177264

Least Common Multiple (LCM) of 1776 and 1789 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 1776 and 1789. First we will calculate the prime factors of 1776 and 1789.

Prime Factorization of 1776

Prime factors of 1776 are 2, 3, 37. Prime factorization of 1776 in exponential form is:

1776 = 24 × 31 × 371

Prime Factorization of 1789

Prime factors of 1789 are 1789. Prime factorization of 1789 in exponential form is:

1789 = 17891

Now multiplying the highest exponent prime factors to calculate the LCM of 1776 and 1789.

LCM(1776,1789) = 24 × 31 × 371 × 17891
LCM(1776,1789) = 3177264