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What is the Least Common Multiple of 42994 and 43007?

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 42994 and 43007 is 1849042958.

LCM(42994,43007) = 1849042958

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Least Common Multiple of 42994 and 43007 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42994 and 43007, than apply into the LCM equation.

GCF(42994,43007) = 1
LCM(42994,43007) = ( 42994 × 43007) / 1
LCM(42994,43007) = 1849042958 / 1
LCM(42994,43007) = 1849042958

Least Common Multiple (LCM) of 42994 and 43007 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42994 and 43007. First we will calculate the prime factors of 42994 and 43007.

Prime Factorization of 42994

Prime factors of 42994 are 2, 7, 37, 83. Prime factorization of 42994 in exponential form is:

42994 = 21 × 71 × 371 × 831

Prime Factorization of 43007

Prime factors of 43007 are 29, 1483. Prime factorization of 43007 in exponential form is:

43007 = 291 × 14831

Now multiplying the highest exponent prime factors to calculate the LCM of 42994 and 43007.

LCM(42994,43007) = 21 × 71 × 371 × 831 × 291 × 14831
LCM(42994,43007) = 1849042958