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What is the Least Common Multiple of 42792 and 42803?

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 42792 and 42803 is 1831625976.

LCM(42792,42803) = 1831625976

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Least Common Multiple of 42792 and 42803 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42792 and 42803, than apply into the LCM equation.

GCF(42792,42803) = 1
LCM(42792,42803) = ( 42792 × 42803) / 1
LCM(42792,42803) = 1831625976 / 1
LCM(42792,42803) = 1831625976

Least Common Multiple (LCM) of 42792 and 42803 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42792 and 42803. First we will calculate the prime factors of 42792 and 42803.

Prime Factorization of 42792

Prime factors of 42792 are 2, 3, 1783. Prime factorization of 42792 in exponential form is:

42792 = 23 × 31 × 17831

Prime Factorization of 42803

Prime factors of 42803 are 23, 1861. Prime factorization of 42803 in exponential form is:

42803 = 231 × 18611

Now multiplying the highest exponent prime factors to calculate the LCM of 42792 and 42803.

LCM(42792,42803) = 23 × 31 × 17831 × 231 × 18611
LCM(42792,42803) = 1831625976