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What is the Least Common Multiple of 74882 and 74890?

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 74882 and 74890 is 2803956490.

LCM(74882,74890) = 2803956490

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Least Common Multiple of 74882 and 74890 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 74882 and 74890, than apply into the LCM equation.

GCF(74882,74890) = 2
LCM(74882,74890) = ( 74882 × 74890) / 2
LCM(74882,74890) = 5607912980 / 2
LCM(74882,74890) = 2803956490

Least Common Multiple (LCM) of 74882 and 74890 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 74882 and 74890. First we will calculate the prime factors of 74882 and 74890.

Prime Factorization of 74882

Prime factors of 74882 are 2, 37441. Prime factorization of 74882 in exponential form is:

74882 = 21 × 374411

Prime Factorization of 74890

Prime factors of 74890 are 2, 5, 7489. Prime factorization of 74890 in exponential form is:

74890 = 21 × 51 × 74891

Now multiplying the highest exponent prime factors to calculate the LCM of 74882 and 74890.

LCM(74882,74890) = 21 × 374411 × 51 × 74891
LCM(74882,74890) = 2803956490