GCF and LCM Calculator Logo

What is the Least Common Multiple of 74862 and 74870?

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 74862 and 74870 is 2802458970.

LCM(74862,74870) = 2802458970

LCM Calculator and
and

Least Common Multiple of 74862 and 74870 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 74862 and 74870, than apply into the LCM equation.

GCF(74862,74870) = 2
LCM(74862,74870) = ( 74862 × 74870) / 2
LCM(74862,74870) = 5604917940 / 2
LCM(74862,74870) = 2802458970

Least Common Multiple (LCM) of 74862 and 74870 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 74862 and 74870. First we will calculate the prime factors of 74862 and 74870.

Prime Factorization of 74862

Prime factors of 74862 are 2, 3, 4159. Prime factorization of 74862 in exponential form is:

74862 = 21 × 32 × 41591

Prime Factorization of 74870

Prime factors of 74870 are 2, 5, 7487. Prime factorization of 74870 in exponential form is:

74870 = 21 × 51 × 74871

Now multiplying the highest exponent prime factors to calculate the LCM of 74862 and 74870.

LCM(74862,74870) = 21 × 32 × 41591 × 51 × 74871
LCM(74862,74870) = 2802458970