What is the Least Common Multiple of 97881 and 97890?

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 97881 and 97890 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 97881 and 97890, than apply into the LCM equation.

GCF(97881,97890) = 3
LCM(97881,97890) = ( 97881 × 97890) / 3
LCM(97881,97890) = 9581571090 / 3
LCM(97881,97890) = 3193857030

Least Common Multiple (LCM) of 97881 and 97890 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 97881 and 97890. First we will calculate the prime factors of 97881 and 97890.

Prime Factorization of 97881

Prime Factorization of 97890

Now multiplying the highest exponent prime factors to calculate the LCM of 97881 and 97890.

LCM(97881,97890) = 3¹ × 7¹ × 59¹ × 79¹ × 2¹ × 5¹ × 13¹ × 251¹
LCM(97881,97890) = 3193857030