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What is the Least Common Multiple of 63121 and 63128?

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 63121 and 63128 is 3984702488.

LCM(63121,63128) = 3984702488

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Least Common Multiple of 63121 and 63128 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 63121 and 63128, than apply into the LCM equation.

GCF(63121,63128) = 1
LCM(63121,63128) = ( 63121 × 63128) / 1
LCM(63121,63128) = 3984702488 / 1
LCM(63121,63128) = 3984702488

Least Common Multiple (LCM) of 63121 and 63128 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 63121 and 63128. First we will calculate the prime factors of 63121 and 63128.

Prime Factorization of 63121

Prime factors of 63121 are 17, 47, 79. Prime factorization of 63121 in exponential form is:

63121 = 171 × 471 × 791

Prime Factorization of 63128

Prime factors of 63128 are 2, 13, 607. Prime factorization of 63128 in exponential form is:

63128 = 23 × 131 × 6071

Now multiplying the highest exponent prime factors to calculate the LCM of 63121 and 63128.

LCM(63121,63128) = 171 × 471 × 791 × 23 × 131 × 6071
LCM(63121,63128) = 3984702488