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What is the Least Common Multiple of 1926 and 1943?

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 1926 and 1943 is 3742218.

LCM(1926,1943) = 3742218

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Least Common Multiple of 1926 and 1943 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1926 and 1943, than apply into the LCM equation.

GCF(1926,1943) = 1
LCM(1926,1943) = ( 1926 × 1943) / 1
LCM(1926,1943) = 3742218 / 1
LCM(1926,1943) = 3742218

Least Common Multiple (LCM) of 1926 and 1943 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 1926 and 1943. First we will calculate the prime factors of 1926 and 1943.

Prime Factorization of 1926

Prime factors of 1926 are 2, 3, 107. Prime factorization of 1926 in exponential form is:

1926 = 21 × 32 × 1071

Prime Factorization of 1943

Prime factors of 1943 are 29, 67. Prime factorization of 1943 in exponential form is:

1943 = 291 × 671

Now multiplying the highest exponent prime factors to calculate the LCM of 1926 and 1943.

LCM(1926,1943) = 21 × 32 × 1071 × 291 × 671
LCM(1926,1943) = 3742218