What is the Least Common Multiple of 9730 and 9745?

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 9730 and 9745 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 9730 and 9745, than apply into the LCM equation.

GCF(9730,9745) = 5
LCM(9730,9745) = ( 9730 × 9745) / 5
LCM(9730,9745) = 94818850 / 5
LCM(9730,9745) = 18963770

Least Common Multiple (LCM) of 9730 and 9745 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 9730 and 9745. First we will calculate the prime factors of 9730 and 9745.

Prime Factorization of 9730

Prime Factorization of 9745

Now multiplying the highest exponent prime factors to calculate the LCM of 9730 and 9745.

LCM(9730,9745) = 2¹ × 5¹ × 7¹ × 139¹ × 1949¹
LCM(9730,9745) = 18963770