Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Make use of GCF Calculator to quickly find the Greatest Common Factor of numbers 42000, 42008 i.e. 8 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 42000 and 42008 is 8.
GCF(42000,42008) = 8
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 42000
2 | 42000 |
2 | 21000 |
2 | 10500 |
2 | 5250 |
3 | 2625 |
5 | 875 |
5 | 175 |
5 | 35 |
7 | 7 |
1 |
Prime factors of 42000 are 2,3,5,7. Prime factorization of 42000 in exponential form is:
42000 = 24×31×53×71
Prime Factorization of 42008
2 | 42008 |
2 | 21004 |
2 | 10502 |
59 | 5251 |
89 | 89 |
1 |
Prime factors of 42008 are 2,59,89. Prime factorization of 42008 in exponential form is:
42008 = 23×591×891
∴ So by taking common prime factors GCF of 42000 and 42008 is 8
Factors of 42000
List of positive integer factors of 42000 that divides 42000 without a remainder.
1,2,3,4,5,6,7,8,10,12,14,15,16,20,21,24,25,28,30,35,40,42,48,50,56,60,70,75,80,84,100,105,112,120,125,140,150,168,175,200,210,240,250,280,300,336,350,375,400,420,500,525,560,600,700,750,840,875,1000,1050,1200,1400,1500,1680,1750,2000,2100,2625,2800,3000,3500,4200,5250,6000,7000,8400,10500,14000,21000,42000
Factors of 42008
List of positive integer factors of 42008 that divides 42008 without a remainder.
1,2,4,8,59,89,118,178,236,356,472,712,5251,10502,21004,42008
Greatest Common Factor
We found the factors and prime factorization of 42000 and 42008. The biggest common factor number is the GCF number.
So the greatest common factor 42000 and 42008 is 8.
Also check out the Least Common Multiple of 42000 and 42008
(i) The GCF of 42000 and 42008 is associative
GCF of 42000 and 42008 = GCF of 42008 and 42000
1. What is the GCF of 42000 and 42008?
Answer: GCF of 42000 and 42008 is 8.
2. What are the Factors of 42000?
Answer: Factors of 42000 are 1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 35, 40, 42, 48, 50, 56, 60, 70, 75, 80, 84, 100, 105, 112, 120, 125, 140, 150, 168, 175, 200, 210, 240, 250, 280, 300, 336, 350, 375, 400, 420, 500, 525, 560, 600, 700, 750, 840, 875, 1000, 1050, 1200, 1400, 1500, 1680, 1750, 2000, 2100, 2625, 2800, 3000, 3500, 4200, 5250, 6000, 7000, 8400, 10500, 14000, 21000, 42000. There are 80 integers that are factors of 42000. The greatest factor of 42000 is 42000.
3. What are the Factors of 42008?
Answer: Factors of 42008 are 1, 2, 4, 8, 59, 89, 118, 178, 236, 356, 472, 712, 5251, 10502, 21004, 42008. There are 16 integers that are factors of 42008. The greatest factor of 42008 is 42008.
4. How to Find the GCF of 42000 and 42008?
Answer:
Greatest Common Factor of 42000 and 42008 = 8
Step 1: Find the prime factorization of 42000
42000 = 2 x 2 x 2 x 2 x 3 x 5 x 5 x 5 x 7
Step 2: Find the prime factorization of 42008
42008 = 2 x 2 x 2 x 59 x 89
Step 3: Multiply those factors both numbers have in common in steps i) or ii) above to find the gcf:
GCF = 2 x 2 x 2 = 8
Step 4: Therefore, the greatest common factor of 42000 and 42008 is 8