What is the Least Common Multiple of 5440 and 5451?

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 5440 and 5451 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 5440 and 5451, than apply into the LCM equation.

GCF(5440,5451) = 1
LCM(5440,5451) = ( 5440 × 5451) / 1
LCM(5440,5451) = 29653440 / 1
LCM(5440,5451) = 29653440

Least Common Multiple (LCM) of 5440 and 5451 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 5440 and 5451. First we will calculate the prime factors of 5440 and 5451.

Prime Factorization of 5440

Prime Factorization of 5451

Now multiplying the highest exponent prime factors to calculate the LCM of 5440 and 5451.

LCM(5440,5451) = 2⁶ × 5¹ × 17¹ × 3¹ × 23¹ × 79¹
LCM(5440,5451) = 29653440