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What is the Least Common Multiple of 3402 and 3422?

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 3402 and 3422 is 5820822.

LCM(3402,3422) = 5820822

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Least Common Multiple of 3402 and 3422 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 3402 and 3422, than apply into the LCM equation.

GCF(3402,3422) = 2
LCM(3402,3422) = ( 3402 × 3422) / 2
LCM(3402,3422) = 11641644 / 2
LCM(3402,3422) = 5820822

Least Common Multiple (LCM) of 3402 and 3422 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 3402 and 3422. First we will calculate the prime factors of 3402 and 3422.

Prime Factorization of 3402

Prime factors of 3402 are 2, 3, 7. Prime factorization of 3402 in exponential form is:

3402 = 21 × 35 × 71

Prime Factorization of 3422

Prime factors of 3422 are 2, 29, 59. Prime factorization of 3422 in exponential form is:

3422 = 21 × 291 × 591

Now multiplying the highest exponent prime factors to calculate the LCM of 3402 and 3422.

LCM(3402,3422) = 21 × 35 × 71 × 291 × 591
LCM(3402,3422) = 5820822