What is the Least Common Multiple of 7470 and 7476?

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 7470 and 7476 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7470 and 7476, than apply into the LCM equation.

GCF(7470,7476) = 6
LCM(7470,7476) = ( 7470 × 7476) / 6
LCM(7470,7476) = 55845720 / 6
LCM(7470,7476) = 9307620

Least Common Multiple (LCM) of 7470 and 7476 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 7470 and 7476. First we will calculate the prime factors of 7470 and 7476.

Prime Factorization of 7470

Prime Factorization of 7476

Now multiplying the highest exponent prime factors to calculate the LCM of 7470 and 7476.

LCM(7470,7476) = 2² × 3² × 5¹ × 83¹ × 7¹ × 89¹
LCM(7470,7476) = 9307620