What is the Least Common Multiple of 97870 and 97888?

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 97870 and 97888 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 97870 and 97888, than apply into the LCM equation.

GCF(97870,97888) = 2
LCM(97870,97888) = ( 97870 × 97888) / 2
LCM(97870,97888) = 9580298560 / 2
LCM(97870,97888) = 4790149280

Least Common Multiple (LCM) of 97870 and 97888 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 97870 and 97888. First we will calculate the prime factors of 97870 and 97888.

Prime Factorization of 97870

Prime Factorization of 97888

Now multiplying the highest exponent prime factors to calculate the LCM of 97870 and 97888.

LCM(97870,97888) = 2⁵ × 5¹ × 9787¹ × 7¹ × 19¹ × 23¹
LCM(97870,97888) = 4790149280