What is the Least Common Multiple of 54971 and 54985?

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 54971 and 54985 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 54971 and 54985, than apply into the LCM equation.

GCF(54971,54985) = 7
LCM(54971,54985) = ( 54971 × 54985) / 7
LCM(54971,54985) = 3022580435 / 7
LCM(54971,54985) = 431797205

Least Common Multiple (LCM) of 54971 and 54985 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 54971 and 54985. First we will calculate the prime factors of 54971 and 54985.

Prime Factorization of 54971

Prime Factorization of 54985

Now multiplying the highest exponent prime factors to calculate the LCM of 54971 and 54985.

LCM(54971,54985) = 7¹ × 7853¹ × 5¹ × 1571¹
LCM(54971,54985) = 431797205