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What is the Least Common Multiple of 69621 and 69628?

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 69621 and 69628 is 4847570988.

LCM(69621,69628) = 4847570988

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Least Common Multiple of 69621 and 69628 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 69621 and 69628, than apply into the LCM equation.

GCF(69621,69628) = 1
LCM(69621,69628) = ( 69621 × 69628) / 1
LCM(69621,69628) = 4847570988 / 1
LCM(69621,69628) = 4847570988

Least Common Multiple (LCM) of 69621 and 69628 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 69621 and 69628. First we will calculate the prime factors of 69621 and 69628.

Prime Factorization of 69621

Prime factors of 69621 are 3, 23, 1009. Prime factorization of 69621 in exponential form is:

69621 = 31 × 231 × 10091

Prime Factorization of 69628

Prime factors of 69628 are 2, 13, 103. Prime factorization of 69628 in exponential form is:

69628 = 22 × 132 × 1031

Now multiplying the highest exponent prime factors to calculate the LCM of 69621 and 69628.

LCM(69621,69628) = 31 × 231 × 10091 × 22 × 132 × 1031
LCM(69621,69628) = 4847570988