What is the Least Common Multiple of 42756 and 42769?

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 of 42756 and 42769 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42756 and 42769, than apply into the LCM equation.

GCF(42756,42769) = 1
LCM(42756,42769) = ( 42756 × 42769) / 1
LCM(42756,42769) = 1828631364 / 1
LCM(42756,42769) = 1828631364

Least Common Multiple (LCM) of 42756 and 42769 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42756 and 42769. First we will calculate the prime factors of 42756 and 42769.

Prime Factorization of 42756

Prime Factorization of 42769

Now multiplying the highest exponent prime factors to calculate the LCM of 42756 and 42769.

LCM(42756,42769) = 2² × 3¹ × 7¹ × 509¹ × 19¹ × 2251¹
LCM(42756,42769) = 1828631364