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What is the Least Common Multiple of 74518 and 74528?

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 74518 and 74528 is 2776838752.

LCM(74518,74528) = 2776838752

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Least Common Multiple of 74518 and 74528 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 74518 and 74528, than apply into the LCM equation.

GCF(74518,74528) = 2
LCM(74518,74528) = ( 74518 × 74528) / 2
LCM(74518,74528) = 5553677504 / 2
LCM(74518,74528) = 2776838752

Least Common Multiple (LCM) of 74518 and 74528 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 74518 and 74528. First we will calculate the prime factors of 74518 and 74528.

Prime Factorization of 74518

Prime factors of 74518 are 2, 19, 37, 53. Prime factorization of 74518 in exponential form is:

74518 = 21 × 191 × 371 × 531

Prime Factorization of 74528

Prime factors of 74528 are 2, 17, 137. Prime factorization of 74528 in exponential form is:

74528 = 25 × 171 × 1371

Now multiplying the highest exponent prime factors to calculate the LCM of 74518 and 74528.

LCM(74518,74528) = 25 × 191 × 371 × 531 × 171 × 1371
LCM(74518,74528) = 2776838752