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What is the Least Common Multiple of 42726 and 42745?

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 42726 and 42745 is 1826322870.

LCM(42726,42745) = 1826322870

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Least Common Multiple of 42726 and 42745 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42726 and 42745, than apply into the LCM equation.

GCF(42726,42745) = 1
LCM(42726,42745) = ( 42726 × 42745) / 1
LCM(42726,42745) = 1826322870 / 1
LCM(42726,42745) = 1826322870

Least Common Multiple (LCM) of 42726 and 42745 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42726 and 42745. First we will calculate the prime factors of 42726 and 42745.

Prime Factorization of 42726

Prime factors of 42726 are 2, 3, 7121. Prime factorization of 42726 in exponential form is:

42726 = 21 × 31 × 71211

Prime Factorization of 42745

Prime factors of 42745 are 5, 83, 103. Prime factorization of 42745 in exponential form is:

42745 = 51 × 831 × 1031

Now multiplying the highest exponent prime factors to calculate the LCM of 42726 and 42745.

LCM(42726,42745) = 21 × 31 × 71211 × 51 × 831 × 1031
LCM(42726,42745) = 1826322870