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What is the Least Common Multiple of 42075 and 42094?

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 42075 and 42094 is 1771105050.

LCM(42075,42094) = 1771105050

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Least Common Multiple of 42075 and 42094 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42075 and 42094, than apply into the LCM equation.

GCF(42075,42094) = 1
LCM(42075,42094) = ( 42075 × 42094) / 1
LCM(42075,42094) = 1771105050 / 1
LCM(42075,42094) = 1771105050

Least Common Multiple (LCM) of 42075 and 42094 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42075 and 42094. First we will calculate the prime factors of 42075 and 42094.

Prime Factorization of 42075

Prime factors of 42075 are 3, 5, 11, 17. Prime factorization of 42075 in exponential form is:

42075 = 32 × 52 × 111 × 171

Prime Factorization of 42094

Prime factors of 42094 are 2, 13, 1619. Prime factorization of 42094 in exponential form is:

42094 = 21 × 131 × 16191

Now multiplying the highest exponent prime factors to calculate the LCM of 42075 and 42094.

LCM(42075,42094) = 32 × 52 × 111 × 171 × 21 × 131 × 16191
LCM(42075,42094) = 1771105050