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What is the Least Common Multiple of 79618 and 79628?

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 79618 and 79628 is 3169911052.

LCM(79618,79628) = 3169911052

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Least Common Multiple of 79618 and 79628 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 79618 and 79628, than apply into the LCM equation.

GCF(79618,79628) = 2
LCM(79618,79628) = ( 79618 × 79628) / 2
LCM(79618,79628) = 6339822104 / 2
LCM(79618,79628) = 3169911052

Least Common Multiple (LCM) of 79618 and 79628 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 79618 and 79628. First we will calculate the prime factors of 79618 and 79628.

Prime Factorization of 79618

Prime factors of 79618 are 2, 7, 11, 47. Prime factorization of 79618 in exponential form is:

79618 = 21 × 71 × 112 × 471

Prime Factorization of 79628

Prime factors of 79628 are 2, 17, 1171. Prime factorization of 79628 in exponential form is:

79628 = 22 × 171 × 11711

Now multiplying the highest exponent prime factors to calculate the LCM of 79618 and 79628.

LCM(79618,79628) = 22 × 71 × 112 × 471 × 171 × 11711
LCM(79618,79628) = 3169911052