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What is the Least Common Multiple of 42084 and 42103?

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 42084 and 42103 is 1771862652.

LCM(42084,42103) = 1771862652

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Least Common Multiple of 42084 and 42103 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42084 and 42103, than apply into the LCM equation.

GCF(42084,42103) = 1
LCM(42084,42103) = ( 42084 × 42103) / 1
LCM(42084,42103) = 1771862652 / 1
LCM(42084,42103) = 1771862652

Least Common Multiple (LCM) of 42084 and 42103 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42084 and 42103. First we will calculate the prime factors of 42084 and 42103.

Prime Factorization of 42084

Prime factors of 42084 are 2, 3, 7, 167. Prime factorization of 42084 in exponential form is:

42084 = 22 × 32 × 71 × 1671

Prime Factorization of 42103

Prime factors of 42103 are 71, 593. Prime factorization of 42103 in exponential form is:

42103 = 711 × 5931

Now multiplying the highest exponent prime factors to calculate the LCM of 42084 and 42103.

LCM(42084,42103) = 22 × 32 × 71 × 1671 × 711 × 5931
LCM(42084,42103) = 1771862652