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What is the Least Common Multiple of 1926 and 1942?

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 1942 is 1870146.

LCM(1926,1942) = 1870146

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Least Common Multiple of 1926 and 1942 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 1942, than apply into the LCM equation.

GCF(1926,1942) = 2
LCM(1926,1942) = ( 1926 × 1942) / 2
LCM(1926,1942) = 3740292 / 2
LCM(1926,1942) = 1870146

Least Common Multiple (LCM) of 1926 and 1942 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 1926 and 1942. First we will calculate the prime factors of 1926 and 1942.

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 1942

Prime factors of 1942 are 2, 971. Prime factorization of 1942 in exponential form is:

1942 = 21 × 9711

Now multiplying the highest exponent prime factors to calculate the LCM of 1926 and 1942.

LCM(1926,1942) = 21 × 32 × 1071 × 9711
LCM(1926,1942) = 1870146