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What is the Least Common Multiple of 70637 and 70643?

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 70637 and 70643 is 4990009591.

LCM(70637,70643) = 4990009591

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Least Common Multiple of 70637 and 70643 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 70637 and 70643, than apply into the LCM equation.

GCF(70637,70643) = 1
LCM(70637,70643) = ( 70637 × 70643) / 1
LCM(70637,70643) = 4990009591 / 1
LCM(70637,70643) = 4990009591

Least Common Multiple (LCM) of 70637 and 70643 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 70637 and 70643. First we will calculate the prime factors of 70637 and 70643.

Prime Factorization of 70637

Prime factors of 70637 are 7, 10091. Prime factorization of 70637 in exponential form is:

70637 = 71 × 100911

Prime Factorization of 70643

Prime factors of 70643 are 41, 1723. Prime factorization of 70643 in exponential form is:

70643 = 411 × 17231

Now multiplying the highest exponent prime factors to calculate the LCM of 70637 and 70643.

LCM(70637,70643) = 71 × 100911 × 411 × 17231
LCM(70637,70643) = 4990009591