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What is the Least Common Multiple of 70603 and 70620?

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 70603 and 70620 is 4985983860.

LCM(70603,70620) = 4985983860

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Least Common Multiple of 70603 and 70620 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 70603 and 70620, than apply into the LCM equation.

GCF(70603,70620) = 1
LCM(70603,70620) = ( 70603 × 70620) / 1
LCM(70603,70620) = 4985983860 / 1
LCM(70603,70620) = 4985983860

Least Common Multiple (LCM) of 70603 and 70620 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 70603 and 70620. First we will calculate the prime factors of 70603 and 70620.

Prime Factorization of 70603

Prime factors of 70603 are 13, 5431. Prime factorization of 70603 in exponential form is:

70603 = 131 × 54311

Prime Factorization of 70620

Prime factors of 70620 are 2, 3, 5, 11, 107. Prime factorization of 70620 in exponential form is:

70620 = 22 × 31 × 51 × 111 × 1071

Now multiplying the highest exponent prime factors to calculate the LCM of 70603 and 70620.

LCM(70603,70620) = 131 × 54311 × 22 × 31 × 51 × 111 × 1071
LCM(70603,70620) = 4985983860