What is the Least Common Multiple of 30490 and 30506?

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 30490 and 30506 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 30490 and 30506, than apply into the LCM equation.

GCF(30490,30506) = 2
LCM(30490,30506) = ( 30490 × 30506) / 2
LCM(30490,30506) = 930127940 / 2
LCM(30490,30506) = 465063970

Least Common Multiple (LCM) of 30490 and 30506 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 30490 and 30506. First we will calculate the prime factors of 30490 and 30506.

Prime Factorization of 30490

Prime Factorization of 30506

Now multiplying the highest exponent prime factors to calculate the LCM of 30490 and 30506.

LCM(30490,30506) = 2¹ × 5¹ × 3049¹ × 7¹ × 2179¹
LCM(30490,30506) = 465063970