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What is the Least Common Multiple of 74487 and 74505?

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 74487 and 74505 is 1849884645.

LCM(74487,74505) = 1849884645

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Least Common Multiple of 74487 and 74505 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 74487 and 74505, than apply into the LCM equation.

GCF(74487,74505) = 3
LCM(74487,74505) = ( 74487 × 74505) / 3
LCM(74487,74505) = 5549653935 / 3
LCM(74487,74505) = 1849884645

Least Common Multiple (LCM) of 74487 and 74505 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 74487 and 74505. First we will calculate the prime factors of 74487 and 74505.

Prime Factorization of 74487

Prime factors of 74487 are 3, 7, 3547. Prime factorization of 74487 in exponential form is:

74487 = 31 × 71 × 35471

Prime Factorization of 74505

Prime factors of 74505 are 3, 5, 4967. Prime factorization of 74505 in exponential form is:

74505 = 31 × 51 × 49671

Now multiplying the highest exponent prime factors to calculate the LCM of 74487 and 74505.

LCM(74487,74505) = 31 × 71 × 35471 × 51 × 49671
LCM(74487,74505) = 1849884645