GCF and LCM Calculator Logo

What is the Least Common Multiple of 71415 and 71422?

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 71415 and 71422 is 5100602130.

LCM(71415,71422) = 5100602130

LCM Calculator and
and

Least Common Multiple of 71415 and 71422 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 71415 and 71422, than apply into the LCM equation.

GCF(71415,71422) = 1
LCM(71415,71422) = ( 71415 × 71422) / 1
LCM(71415,71422) = 5100602130 / 1
LCM(71415,71422) = 5100602130

Least Common Multiple (LCM) of 71415 and 71422 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 71415 and 71422. First we will calculate the prime factors of 71415 and 71422.

Prime Factorization of 71415

Prime factors of 71415 are 3, 5, 23. Prime factorization of 71415 in exponential form is:

71415 = 33 × 51 × 232

Prime Factorization of 71422

Prime factors of 71422 are 2, 13, 41, 67. Prime factorization of 71422 in exponential form is:

71422 = 21 × 131 × 411 × 671

Now multiplying the highest exponent prime factors to calculate the LCM of 71415 and 71422.

LCM(71415,71422) = 33 × 51 × 232 × 21 × 131 × 411 × 671
LCM(71415,71422) = 5100602130