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What is the Least Common Multiple of 42148 and 42165?

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 42148 and 42165 is 1777170420.

LCM(42148,42165) = 1777170420

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Least Common Multiple of 42148 and 42165 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42148 and 42165, than apply into the LCM equation.

GCF(42148,42165) = 1
LCM(42148,42165) = ( 42148 × 42165) / 1
LCM(42148,42165) = 1777170420 / 1
LCM(42148,42165) = 1777170420

Least Common Multiple (LCM) of 42148 and 42165 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42148 and 42165. First we will calculate the prime factors of 42148 and 42165.

Prime Factorization of 42148

Prime factors of 42148 are 2, 41, 257. Prime factorization of 42148 in exponential form is:

42148 = 22 × 411 × 2571

Prime Factorization of 42165

Prime factors of 42165 are 3, 5, 937. Prime factorization of 42165 in exponential form is:

42165 = 32 × 51 × 9371

Now multiplying the highest exponent prime factors to calculate the LCM of 42148 and 42165.

LCM(42148,42165) = 22 × 411 × 2571 × 32 × 51 × 9371
LCM(42148,42165) = 1777170420