Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 802 and 807 the smallest integer that is 647214 that is divisible by both numbers.
Least Common Multiple (LCM) of 802 and 807 is 647214.
LCM(802,807) = 647214
Least common multiple or lowest common denominator (LCD) can be calculated in three ways;
Least common multiple can be found by multiplying the highest exponent prime factors of 802 and 807. First we will calculate the prime factors of 802 and 807.
Prime Factorization of 802
2 | 802 |
401 | 401 |
1 |
Prime factors of 802 are 2,401. Prime factorization of 802 in exponential form is:
802 = 21×4011
Prime Factorization of 807
3 | 807 |
269 | 269 |
1 |
Prime factors of 807 are 3,269. Prime factorization of 807 in exponential form is:
807 = 31×2691
Now multiplying the highest exponent prime factors to calculate the LCM of 802 and 807.
LCM(802,807) = 21×31×2691×4011
LCM(802,807) = 647214
Factors of 802
List of positive integer factors of 802 that divides 802 without a remainder.
1, 2, 401, 802
Factors of 807
List of positive integer factors of 807 that divides 807 without a remainder.
1, 3, 269, 807
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 802 and 807, than apply into the LCM equation.
GCF(802,807) = 1
LCM(802,807) = ( 802 × 807) / 1
LCM(802,807) = 647214 / 1
LCM(802,807) = 647214
(i) The LCM of 807 and 802 is associative
LCM of 802 and 807 = LCM of 807 and 802
1. What is the LCM of 802 and 807?
Answer: LCM of 802 and 807 is 647214.
2. What are the Factors of 802?
Answer: Factors of 802 are 1, 2, 401, 802. There are 4 integers that are factors of 802. The greatest factor of 802 is 802.
3. What are the Factors of 807?
Answer: Factors of 807 are 1, 3, 269, 807. There are 4 integers that are factors of 807. The greatest factor of 807 is 807.
4. How to Find the LCM of 802 and 807?
Answer:
Least Common Multiple of 802 and 807 = 647214
Step 1: Find the prime factorization of 802
802 = 2 x 401
Step 2: Find the prime factorization of 807
807 = 3 x 269
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 647214 = 2 x 3 x 269 x 401
Step 4: Therefore, the least common multiple of 802 and 807 is 647214.