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What is the Least Common Multiple of 3953 and 3962?

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 3953 and 3962 is 15661786.

LCM(3953,3962) = 15661786

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Least Common Multiple of 3953 and 3962 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 3953 and 3962, than apply into the LCM equation.

GCF(3953,3962) = 1
LCM(3953,3962) = ( 3953 × 3962) / 1
LCM(3953,3962) = 15661786 / 1
LCM(3953,3962) = 15661786

Least Common Multiple (LCM) of 3953 and 3962 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 3953 and 3962. First we will calculate the prime factors of 3953 and 3962.

Prime Factorization of 3953

Prime factors of 3953 are 59, 67. Prime factorization of 3953 in exponential form is:

3953 = 591 × 671

Prime Factorization of 3962

Prime factors of 3962 are 2, 7, 283. Prime factorization of 3962 in exponential form is:

3962 = 21 × 71 × 2831

Now multiplying the highest exponent prime factors to calculate the LCM of 3953 and 3962.

LCM(3953,3962) = 591 × 671 × 21 × 71 × 2831
LCM(3953,3962) = 15661786