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What is the Least Common Multiple of 8374 and 8381?

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 8374 and 8381 is 70182494.

LCM(8374,8381) = 70182494

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Least Common Multiple of 8374 and 8381 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 8374 and 8381, than apply into the LCM equation.

GCF(8374,8381) = 1
LCM(8374,8381) = ( 8374 × 8381) / 1
LCM(8374,8381) = 70182494 / 1
LCM(8374,8381) = 70182494

Least Common Multiple (LCM) of 8374 and 8381 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 8374 and 8381. First we will calculate the prime factors of 8374 and 8381.

Prime Factorization of 8374

Prime factors of 8374 are 2, 53, 79. Prime factorization of 8374 in exponential form is:

8374 = 21 × 531 × 791

Prime Factorization of 8381

Prime factors of 8381 are 17, 29. Prime factorization of 8381 in exponential form is:

8381 = 172 × 291

Now multiplying the highest exponent prime factors to calculate the LCM of 8374 and 8381.

LCM(8374,8381) = 21 × 531 × 791 × 172 × 291
LCM(8374,8381) = 70182494