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What is the Least Common Multiple of 42794 and 42801?

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 42794 and 42801 is 1831625994.

LCM(42794,42801) = 1831625994

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Least Common Multiple of 42794 and 42801 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42794 and 42801, than apply into the LCM equation.

GCF(42794,42801) = 1
LCM(42794,42801) = ( 42794 × 42801) / 1
LCM(42794,42801) = 1831625994 / 1
LCM(42794,42801) = 1831625994

Least Common Multiple (LCM) of 42794 and 42801 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42794 and 42801. First we will calculate the prime factors of 42794 and 42801.

Prime Factorization of 42794

Prime factors of 42794 are 2, 21397. Prime factorization of 42794 in exponential form is:

42794 = 21 × 213971

Prime Factorization of 42801

Prime factors of 42801 are 3, 11, 1297. Prime factorization of 42801 in exponential form is:

42801 = 31 × 111 × 12971

Now multiplying the highest exponent prime factors to calculate the LCM of 42794 and 42801.

LCM(42794,42801) = 21 × 213971 × 31 × 111 × 12971
LCM(42794,42801) = 1831625994