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What is the Least Common Multiple of 1937 and 1957?

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 1937 and 1957 is 3790709.

LCM(1937,1957) = 3790709

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Least Common Multiple of 1937 and 1957 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1937 and 1957, than apply into the LCM equation.

GCF(1937,1957) = 1
LCM(1937,1957) = ( 1937 × 1957) / 1
LCM(1937,1957) = 3790709 / 1
LCM(1937,1957) = 3790709

Least Common Multiple (LCM) of 1937 and 1957 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 1937 and 1957. First we will calculate the prime factors of 1937 and 1957.

Prime Factorization of 1937

Prime factors of 1937 are 13, 149. Prime factorization of 1937 in exponential form is:

1937 = 131 × 1491

Prime Factorization of 1957

Prime factors of 1957 are 19, 103. Prime factorization of 1957 in exponential form is:

1957 = 191 × 1031

Now multiplying the highest exponent prime factors to calculate the LCM of 1937 and 1957.

LCM(1937,1957) = 131 × 1491 × 191 × 1031
LCM(1937,1957) = 3790709