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What is the Least Common Multiple of 71942 and 71957?

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 71942 and 71957 is 5176730494.

LCM(71942,71957) = 5176730494

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Least Common Multiple of 71942 and 71957 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 71942 and 71957, than apply into the LCM equation.

GCF(71942,71957) = 1
LCM(71942,71957) = ( 71942 × 71957) / 1
LCM(71942,71957) = 5176730494 / 1
LCM(71942,71957) = 5176730494

Least Common Multiple (LCM) of 71942 and 71957 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 71942 and 71957. First we will calculate the prime factors of 71942 and 71957.

Prime Factorization of 71942

Prime factors of 71942 are 2, 13, 2767. Prime factorization of 71942 in exponential form is:

71942 = 21 × 131 × 27671

Prime Factorization of 71957

Prime factors of 71957 are 47, 1531. Prime factorization of 71957 in exponential form is:

71957 = 471 × 15311

Now multiplying the highest exponent prime factors to calculate the LCM of 71942 and 71957.

LCM(71942,71957) = 21 × 131 × 27671 × 471 × 15311
LCM(71942,71957) = 5176730494