Least Common Multiple of 98 and 102

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


Free LCM Calculator determines the least common multiple (LCM) between 98 and 102 the smallest integer that is 4998 that is divisible by both numbers.

Least Common Multiple (LCM) of 98 and 102 is 4998.

LCM(98,102) = 4998

LCM of 98 and 102

Least common multiple or lowest common denominator (LCD) can be calculated in three ways;

LCM of:
and

Least Common Multiple of 98 and 102

LCM of 98 and 102 is 4998

Least common multiple can be found by multiplying the highest exponent prime factors of 98 and 102. First we will calculate the prime factors of 98 and 102.

Prime Factorization of 98


2 98
7 49
7 7
1

Prime factors of 98 are 2,7. Prime factorization of 98 in exponential form is:

98 = 21×72

Prime Factorization of 102


2 102
3 51
17 17
1

Prime factors of 102 are 2, 3,17. Prime factorization of 102 in exponential form is:

102 = 21×31×171

Now multiplying the highest exponent prime factors to calculate the LCM of 98 and 102.

LCM(98,102) = 21×31×72×171
LCM(98,102) = 4998

Factors of 98

List of positive integer factors of 98 that divides 98 without a remainder.

1, 2, 7, 14, 49, 98

Factors of 102

List of positive integer factors of 102 that divides 102 without a remainder.

1, 2, 3, 6, 17, 34, 51, 102

Least Common Multiple of 98 and 102 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 98 and 102, than apply into the LCM equation.

GCF(98,102) = 2
LCM(98,102) = ( 98 × 102) / 2
LCM(98,102) = 9996 / 2
LCM(98,102) = 4998

Properties of LCM 98 and 102

(i) The LCM of 102 and 98 is associative

LCM of 98 and 102 = LCM of 102 and 98

Frequently Asked Questions on LCM of 98 and 102

1. What is the LCM of 98 and 102?

Answer: LCM of 98 and 102 is 4998.

2. What are the Factors of 98?

Answer: Factors of 98 are 1, 2, 7, 14, 49, 98. There are 6 integers that are factors of 98. The greatest factor of 98 is 98.

3. What are the Factors of 102?

Answer: Factors of 102 are 1, 2, 3, 6, 17, 34, 51, 102. There are 8 integers that are factors of 102. The greatest factor of 102 is 102.

4. How to Find the LCM of 98 and 102?

Answer:

Least Common Multiple of 98 and 102 = 4998

Step 1: Find the prime factorization of 98

98 = 2 x 7 x 7

Step 2: Find the prime factorization of 102

102 = 2 x 3 x 17

Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:

LCM = 4998 = 2 x 3 x 7 x 7 x 17

Step 4: Therefore, the least common multiple of 98 and 102 is 4998.