What is the Least Common Multiple of 56440 and 56445?

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 56440 and 56445 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 56440 and 56445, than apply into the LCM equation.

GCF(56440,56445) = 5
LCM(56440,56445) = ( 56440 × 56445) / 5
LCM(56440,56445) = 3185755800 / 5
LCM(56440,56445) = 637151160

Least Common Multiple (LCM) of 56440 and 56445 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 56440 and 56445. First we will calculate the prime factors of 56440 and 56445.

Prime Factorization of 56440

Prime Factorization of 56445

Now multiplying the highest exponent prime factors to calculate the LCM of 56440 and 56445.

LCM(56440,56445) = 2³ × 5¹ × 17¹ × 83¹ × 3¹ × 53¹ × 71¹
LCM(56440,56445) = 637151160