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What is the Least Common Multiple of 74939 and 74958?

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 74939 and 74958 is 5617277562.

LCM(74939,74958) = 5617277562

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Least Common Multiple of 74939 and 74958 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 74939 and 74958, than apply into the LCM equation.

GCF(74939,74958) = 1
LCM(74939,74958) = ( 74939 × 74958) / 1
LCM(74939,74958) = 5617277562 / 1
LCM(74939,74958) = 5617277562

Least Common Multiple (LCM) of 74939 and 74958 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 74939 and 74958. First we will calculate the prime factors of 74939 and 74958.

Prime Factorization of 74939

Prime factors of 74939 are 137, 547. Prime factorization of 74939 in exponential form is:

74939 = 1371 × 5471

Prime Factorization of 74958

Prime factors of 74958 are 2, 3, 13, 31. Prime factorization of 74958 in exponential form is:

74958 = 21 × 31 × 131 × 312

Now multiplying the highest exponent prime factors to calculate the LCM of 74939 and 74958.

LCM(74939,74958) = 1371 × 5471 × 21 × 31 × 131 × 312
LCM(74939,74958) = 5617277562