GCF and LCM Calculator Logo

What is the Least Common Multiple of 74661 and 74670?

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 74661 and 74670 is 1858312290.

LCM(74661,74670) = 1858312290

LCM Calculator and
and

Least Common Multiple of 74661 and 74670 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 74661 and 74670, than apply into the LCM equation.

GCF(74661,74670) = 3
LCM(74661,74670) = ( 74661 × 74670) / 3
LCM(74661,74670) = 5574936870 / 3
LCM(74661,74670) = 1858312290

Least Common Multiple (LCM) of 74661 and 74670 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 74661 and 74670. First we will calculate the prime factors of 74661 and 74670.

Prime Factorization of 74661

Prime factors of 74661 are 3, 41, 607. Prime factorization of 74661 in exponential form is:

74661 = 31 × 411 × 6071

Prime Factorization of 74670

Prime factors of 74670 are 2, 3, 5, 19, 131. Prime factorization of 74670 in exponential form is:

74670 = 21 × 31 × 51 × 191 × 1311

Now multiplying the highest exponent prime factors to calculate the LCM of 74661 and 74670.

LCM(74661,74670) = 31 × 411 × 6071 × 21 × 51 × 191 × 1311
LCM(74661,74670) = 1858312290