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What is the Least Common Multiple of 42069 and 42076?

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 42069 and 42076 is 1770095244.

LCM(42069,42076) = 1770095244

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Least Common Multiple of 42069 and 42076 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42069 and 42076, than apply into the LCM equation.

GCF(42069,42076) = 1
LCM(42069,42076) = ( 42069 × 42076) / 1
LCM(42069,42076) = 1770095244 / 1
LCM(42069,42076) = 1770095244

Least Common Multiple (LCM) of 42069 and 42076 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42069 and 42076. First we will calculate the prime factors of 42069 and 42076.

Prime Factorization of 42069

Prime factors of 42069 are 3, 37, 379. Prime factorization of 42069 in exponential form is:

42069 = 31 × 371 × 3791

Prime Factorization of 42076

Prime factors of 42076 are 2, 67, 157. Prime factorization of 42076 in exponential form is:

42076 = 22 × 671 × 1571

Now multiplying the highest exponent prime factors to calculate the LCM of 42069 and 42076.

LCM(42069,42076) = 31 × 371 × 3791 × 22 × 671 × 1571
LCM(42069,42076) = 1770095244