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What is the Least Common Multiple of 42669 and 42685?

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 42669 and 42685 is 1821326265.

LCM(42669,42685) = 1821326265

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Least Common Multiple of 42669 and 42685 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42669 and 42685, than apply into the LCM equation.

GCF(42669,42685) = 1
LCM(42669,42685) = ( 42669 × 42685) / 1
LCM(42669,42685) = 1821326265 / 1
LCM(42669,42685) = 1821326265

Least Common Multiple (LCM) of 42669 and 42685 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42669 and 42685. First we will calculate the prime factors of 42669 and 42685.

Prime Factorization of 42669

Prime factors of 42669 are 3, 11, 431. Prime factorization of 42669 in exponential form is:

42669 = 32 × 111 × 4311

Prime Factorization of 42685

Prime factors of 42685 are 5, 8537. Prime factorization of 42685 in exponential form is:

42685 = 51 × 85371

Now multiplying the highest exponent prime factors to calculate the LCM of 42669 and 42685.

LCM(42669,42685) = 32 × 111 × 4311 × 51 × 85371
LCM(42669,42685) = 1821326265