What is the Least Common Multiple of 75490 and 75505?

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 75490 and 75505 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 75490 and 75505, than apply into the LCM equation.

GCF(75490,75505) = 5
LCM(75490,75505) = ( 75490 × 75505) / 5
LCM(75490,75505) = 5699872450 / 5
LCM(75490,75505) = 1139974490

Least Common Multiple (LCM) of 75490 and 75505 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 75490 and 75505. First we will calculate the prime factors of 75490 and 75505.

Prime Factorization of 75490

Prime Factorization of 75505

Now multiplying the highest exponent prime factors to calculate the LCM of 75490 and 75505.

LCM(75490,75505) = 2¹ × 5¹ × 7549¹ × 15101¹
LCM(75490,75505) = 1139974490