What is the Least Common Multiple of 71120 and 71124?

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 71120 and 71124 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 71120 and 71124, than apply into the LCM equation.

GCF(71120,71124) = 4
LCM(71120,71124) = ( 71120 × 71124) / 4
LCM(71120,71124) = 5058338880 / 4
LCM(71120,71124) = 1264584720

Least Common Multiple (LCM) of 71120 and 71124 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 71120 and 71124. First we will calculate the prime factors of 71120 and 71124.

Prime Factorization of 71120

Prime Factorization of 71124

Now multiplying the highest exponent prime factors to calculate the LCM of 71120 and 71124.

LCM(71120,71124) = 2⁴ × 5¹ × 7¹ × 127¹ × 3¹ × 5927¹
LCM(71120,71124) = 1264584720