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What is the Least Common Multiple of 42985 and 42996?

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 42985 and 42996 is 1848183060.

LCM(42985,42996) = 1848183060

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Least Common Multiple of 42985 and 42996 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42985 and 42996, than apply into the LCM equation.

GCF(42985,42996) = 1
LCM(42985,42996) = ( 42985 × 42996) / 1
LCM(42985,42996) = 1848183060 / 1
LCM(42985,42996) = 1848183060

Least Common Multiple (LCM) of 42985 and 42996 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42985 and 42996. First we will calculate the prime factors of 42985 and 42996.

Prime Factorization of 42985

Prime factors of 42985 are 5, 8597. Prime factorization of 42985 in exponential form is:

42985 = 51 × 85971

Prime Factorization of 42996

Prime factors of 42996 are 2, 3, 3583. Prime factorization of 42996 in exponential form is:

42996 = 22 × 31 × 35831

Now multiplying the highest exponent prime factors to calculate the LCM of 42985 and 42996.

LCM(42985,42996) = 51 × 85971 × 22 × 31 × 35831
LCM(42985,42996) = 1848183060