What is the Least Common Multiple of 4720 and 4729?

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 4720 and 4729 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 4720 and 4729, than apply into the LCM equation.

GCF(4720,4729) = 1
LCM(4720,4729) = ( 4720 × 4729) / 1
LCM(4720,4729) = 22320880 / 1
LCM(4720,4729) = 22320880

Least Common Multiple (LCM) of 4720 and 4729 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 4720 and 4729. First we will calculate the prime factors of 4720 and 4729.

Prime Factorization of 4720

Prime Factorization of 4729

Now multiplying the highest exponent prime factors to calculate the LCM of 4720 and 4729.

LCM(4720,4729) = 2⁴ × 5¹ × 59¹ × 4729¹
LCM(4720,4729) = 22320880