What is the Least Common Multiple of 9721 and 9730?

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 9721 and 9730 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 9721 and 9730, than apply into the LCM equation.

GCF(9721,9730) = 1
LCM(9721,9730) = ( 9721 × 9730) / 1
LCM(9721,9730) = 94585330 / 1
LCM(9721,9730) = 94585330

Least Common Multiple (LCM) of 9721 and 9730 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 9721 and 9730. First we will calculate the prime factors of 9721 and 9730.

Prime Factorization of 9721

Prime Factorization of 9730

Now multiplying the highest exponent prime factors to calculate the LCM of 9721 and 9730.

LCM(9721,9730) = 9721¹ × 2¹ × 5¹ × 7¹ × 139¹
LCM(9721,9730) = 94585330