What is the Least Common Multiple of 97740 and 97749?

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 97740 and 97749 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 97740 and 97749, than apply into the LCM equation.

GCF(97740,97749) = 9
LCM(97740,97749) = ( 97740 × 97749) / 9
LCM(97740,97749) = 9553987260 / 9
LCM(97740,97749) = 1061554140

Least Common Multiple (LCM) of 97740 and 97749 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 97740 and 97749. First we will calculate the prime factors of 97740 and 97749.

Prime Factorization of 97740

Prime Factorization of 97749

Now multiplying the highest exponent prime factors to calculate the LCM of 97740 and 97749.

LCM(97740,97749) = 2² × 3³ × 5¹ × 181¹ × 10861¹
LCM(97740,97749) = 1061554140