7 is a factor of 490 but 8 is not.
The prime factors of 490 are: 2 5 7
As a product of its prime factors: 2*5*7*7 = 490
The factors of 490 are: 1 2 5 7 10 14 35 49 70 98 245 490 The prime factors are: 2 x 5 x 7 x 7
The factors of 490 are: 1 2 5 7 10 14 35 49 70 98 245 490
The prime factors of 490 are 2 x 5 x 7 x 7.
490 = 1 x 2 x 5 x 7 x 7
As a product of its prime factors: 2*5*7*7 = 490
2, 5 and 7
To find the highest common factor (HCF) of 490 and 1750, you can first list the factors of each number. The factors of 490 are 1, 2, 5, 7, 10, 14, 35, 70, 98, 245, and 490. The factors of 1750 are 1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 125, 175, 250, 350, 875, and 1750. The common factors between the two lists are 1, 2, 5, 7, 10, 14, and 35. Therefore, the highest common factor of 490 and 1750 is 35.
To find the prime factors of 490, we start by dividing it by the smallest prime number, which is 2. 490 ÷ 2 = 245. Next, we divide 245 by the next smallest prime number, which is 5. 245 ÷ 5 = 49. Finally, 49 is a square of 7, which is a prime number. Therefore, the prime factors of 490 are 2 x 5 x 7 x 7.
2 x 5 x 7 x 7
1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490 2, 5 and 7 are prime.