GCF and LCM Calculator Logo

What is the Least Common Multiple of 75647 and 75660?

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 (LCM) of 75647 and 75660 is 440265540.

LCM(75647,75660) = 440265540

LCM Calculator and
and

Least Common Multiple of 75647 and 75660 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 75647 and 75660, than apply into the LCM equation.

GCF(75647,75660) = 13
LCM(75647,75660) = ( 75647 × 75660) / 13
LCM(75647,75660) = 5723452020 / 13
LCM(75647,75660) = 440265540

Least Common Multiple (LCM) of 75647 and 75660 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 75647 and 75660. First we will calculate the prime factors of 75647 and 75660.

Prime Factorization of 75647

Prime factors of 75647 are 11, 13, 23. Prime factorization of 75647 in exponential form is:

75647 = 111 × 131 × 232

Prime Factorization of 75660

Prime factors of 75660 are 2, 3, 5, 13, 97. Prime factorization of 75660 in exponential form is:

75660 = 22 × 31 × 51 × 131 × 971

Now multiplying the highest exponent prime factors to calculate the LCM of 75647 and 75660.

LCM(75647,75660) = 111 × 131 × 232 × 22 × 31 × 51 × 971
LCM(75647,75660) = 440265540