GCF and LCM Calculator Logo

What is the Least Common Multiple of 42757 and 42765?

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 42757 and 42765 is 1828503105.

LCM(42757,42765) = 1828503105

LCM Calculator and
and

Least Common Multiple of 42757 and 42765 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42757 and 42765, than apply into the LCM equation.

GCF(42757,42765) = 1
LCM(42757,42765) = ( 42757 × 42765) / 1
LCM(42757,42765) = 1828503105 / 1
LCM(42757,42765) = 1828503105

Least Common Multiple (LCM) of 42757 and 42765 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42757 and 42765. First we will calculate the prime factors of 42757 and 42765.

Prime Factorization of 42757

Prime factors of 42757 are 11, 13, 23. Prime factorization of 42757 in exponential form is:

42757 = 111 × 132 × 231

Prime Factorization of 42765

Prime factors of 42765 are 3, 5, 2851. Prime factorization of 42765 in exponential form is:

42765 = 31 × 51 × 28511

Now multiplying the highest exponent prime factors to calculate the LCM of 42757 and 42765.

LCM(42757,42765) = 111 × 132 × 231 × 31 × 51 × 28511
LCM(42757,42765) = 1828503105