What is the Least Common Multiple of 1282 and 1302?

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 1282 and 1302 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1282 and 1302, than apply into the LCM equation.

GCF(1282,1302) = 2
LCM(1282,1302) = ( 1282 × 1302) / 2
LCM(1282,1302) = 1669164 / 2
LCM(1282,1302) = 834582

Least Common Multiple (LCM) of 1282 and 1302 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 1282 and 1302. First we will calculate the prime factors of 1282 and 1302.

Prime Factorization of 1282

Prime Factorization of 1302

Now multiplying the highest exponent prime factors to calculate the LCM of 1282 and 1302.

LCM(1282,1302) = 2¹ × 641¹ × 3¹ × 7¹ × 31¹
LCM(1282,1302) = 834582