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What is the Least Common Multiple of 42045 and 42058?

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 42045 and 42058 is 1768328610.

LCM(42045,42058) = 1768328610

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Least Common Multiple of 42045 and 42058 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42045 and 42058, than apply into the LCM equation.

GCF(42045,42058) = 1
LCM(42045,42058) = ( 42045 × 42058) / 1
LCM(42045,42058) = 1768328610 / 1
LCM(42045,42058) = 1768328610

Least Common Multiple (LCM) of 42045 and 42058 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42045 and 42058. First we will calculate the prime factors of 42045 and 42058.

Prime Factorization of 42045

Prime factors of 42045 are 3, 5, 2803. Prime factorization of 42045 in exponential form is:

42045 = 31 × 51 × 28031

Prime Factorization of 42058

Prime factors of 42058 are 2, 17, 1237. Prime factorization of 42058 in exponential form is:

42058 = 21 × 171 × 12371

Now multiplying the highest exponent prime factors to calculate the LCM of 42045 and 42058.

LCM(42045,42058) = 31 × 51 × 28031 × 21 × 171 × 12371
LCM(42045,42058) = 1768328610