What is the Least Common Multiple of 56220 and 56240?

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 56220 and 56240 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 56220 and 56240, than apply into the LCM equation.

GCF(56220,56240) = 20
LCM(56220,56240) = ( 56220 × 56240) / 20
LCM(56220,56240) = 3161812800 / 20
LCM(56220,56240) = 158090640

Least Common Multiple (LCM) of 56220 and 56240 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 56220 and 56240. First we will calculate the prime factors of 56220 and 56240.

Prime Factorization of 56220

Prime Factorization of 56240

Now multiplying the highest exponent prime factors to calculate the LCM of 56220 and 56240.

LCM(56220,56240) = 2⁴ × 3¹ × 5¹ × 937¹ × 19¹ × 37¹
LCM(56220,56240) = 158090640