What is the Least Common Multiple of 97643 and 97657?

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 97643 and 97657 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 97643 and 97657, than apply into the LCM equation.

GCF(97643,97657) = 7
LCM(97643,97657) = ( 97643 × 97657) / 7
LCM(97643,97657) = 9535522451 / 7
LCM(97643,97657) = 1362217493

Least Common Multiple (LCM) of 97643 and 97657 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 97643 and 97657. First we will calculate the prime factors of 97643 and 97657.

Prime Factorization of 97643

Prime Factorization of 97657

Now multiplying the highest exponent prime factors to calculate the LCM of 97643 and 97657.

LCM(97643,97657) = 7² × 13¹ × 29¹ × 37¹ × 1993¹
LCM(97643,97657) = 1362217493