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What is the Least Common Multiple of 42077 and 42081?

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 42077 and 42081 is 1770642237.

LCM(42077,42081) = 1770642237

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Least Common Multiple of 42077 and 42081 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42077 and 42081, than apply into the LCM equation.

GCF(42077,42081) = 1
LCM(42077,42081) = ( 42077 × 42081) / 1
LCM(42077,42081) = 1770642237 / 1
LCM(42077,42081) = 1770642237

Least Common Multiple (LCM) of 42077 and 42081 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42077 and 42081. First we will calculate the prime factors of 42077 and 42081.

Prime Factorization of 42077

Prime factors of 42077 are 7, 6011. Prime factorization of 42077 in exponential form is:

42077 = 71 × 60111

Prime Factorization of 42081

Prime factors of 42081 are 3, 13, 83. Prime factorization of 42081 in exponential form is:

42081 = 31 × 132 × 831

Now multiplying the highest exponent prime factors to calculate the LCM of 42077 and 42081.

LCM(42077,42081) = 71 × 60111 × 31 × 132 × 831
LCM(42077,42081) = 1770642237