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What is the Least Common Multiple of 42735 and 42755?

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 42735 and 42755 is 365426985.

LCM(42735,42755) = 365426985

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Least Common Multiple of 42735 and 42755 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42735 and 42755, than apply into the LCM equation.

GCF(42735,42755) = 5
LCM(42735,42755) = ( 42735 × 42755) / 5
LCM(42735,42755) = 1827134925 / 5
LCM(42735,42755) = 365426985

Least Common Multiple (LCM) of 42735 and 42755 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42735 and 42755. First we will calculate the prime factors of 42735 and 42755.

Prime Factorization of 42735

Prime factors of 42735 are 3, 5, 7, 11, 37. Prime factorization of 42735 in exponential form is:

42735 = 31 × 51 × 71 × 111 × 371

Prime Factorization of 42755

Prime factors of 42755 are 5, 17, 503. Prime factorization of 42755 in exponential form is:

42755 = 51 × 171 × 5031

Now multiplying the highest exponent prime factors to calculate the LCM of 42735 and 42755.

LCM(42735,42755) = 31 × 51 × 71 × 111 × 371 × 171 × 5031
LCM(42735,42755) = 365426985