What is the Least Common Multiple of 7820 and 7826?

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 7820 and 7826 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7820 and 7826, than apply into the LCM equation.

GCF(7820,7826) = 2
LCM(7820,7826) = ( 7820 × 7826) / 2
LCM(7820,7826) = 61199320 / 2
LCM(7820,7826) = 30599660

Least Common Multiple (LCM) of 7820 and 7826 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 7820 and 7826. First we will calculate the prime factors of 7820 and 7826.

Prime Factorization of 7820

Prime Factorization of 7826

Now multiplying the highest exponent prime factors to calculate the LCM of 7820 and 7826.

LCM(7820,7826) = 2² × 5¹ × 17¹ × 23¹ × 7¹ × 13¹ × 43¹
LCM(7820,7826) = 30599660