What is the Least Common Multiple of 7060 and 7070?

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 7060 and 7070 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7060 and 7070, than apply into the LCM equation.

GCF(7060,7070) = 10
LCM(7060,7070) = ( 7060 × 7070) / 10
LCM(7060,7070) = 49914200 / 10
LCM(7060,7070) = 4991420

Least Common Multiple (LCM) of 7060 and 7070 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 7060 and 7070. First we will calculate the prime factors of 7060 and 7070.

Prime Factorization of 7060

Prime Factorization of 7070

Now multiplying the highest exponent prime factors to calculate the LCM of 7060 and 7070.

LCM(7060,7070) = 2² × 5¹ × 353¹ × 7¹ × 101¹
LCM(7060,7070) = 4991420