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What is the Least Common Multiple of 42051 and 42055?

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 42051 and 42055 is 1768454805.

LCM(42051,42055) = 1768454805

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Least Common Multiple of 42051 and 42055 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42051 and 42055, than apply into the LCM equation.

GCF(42051,42055) = 1
LCM(42051,42055) = ( 42051 × 42055) / 1
LCM(42051,42055) = 1768454805 / 1
LCM(42051,42055) = 1768454805

Least Common Multiple (LCM) of 42051 and 42055 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42051 and 42055. First we will calculate the prime factors of 42051 and 42055.

Prime Factorization of 42051

Prime factors of 42051 are 3, 107, 131. Prime factorization of 42051 in exponential form is:

42051 = 31 × 1071 × 1311

Prime Factorization of 42055

Prime factors of 42055 are 5, 13, 647. Prime factorization of 42055 in exponential form is:

42055 = 51 × 131 × 6471

Now multiplying the highest exponent prime factors to calculate the LCM of 42051 and 42055.

LCM(42051,42055) = 31 × 1071 × 1311 × 51 × 131 × 6471
LCM(42051,42055) = 1768454805