What is the Least Common Multiple of 7090 and 7098?

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 7090 and 7098 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7090 and 7098, than apply into the LCM equation.

GCF(7090,7098) = 2
LCM(7090,7098) = ( 7090 × 7098) / 2
LCM(7090,7098) = 50324820 / 2
LCM(7090,7098) = 25162410

Least Common Multiple (LCM) of 7090 and 7098 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 7090 and 7098. First we will calculate the prime factors of 7090 and 7098.

Prime Factorization of 7090

Prime Factorization of 7098

Now multiplying the highest exponent prime factors to calculate the LCM of 7090 and 7098.

LCM(7090,7098) = 2¹ × 5¹ × 709¹ × 3¹ × 7¹ × 13²
LCM(7090,7098) = 25162410