What is the highest factor of 420?
420 is the highest composite factor of 420. 420 is the highest composite factor of 420. 2 , 3, 5 and 7 are the prime factors of 420.
What is the HCF of 28?
The HCF of 28 and 36 is 4. To calculate the Highest common factor of 28 and 36, we need to factor each number (factors of 28 = 1, 2, 4, 7, 14, 28; factors of 36 = 1, 2, 3, 4, 6, 9, 12, 18, 36) and choose the highest factor that exactly divides both 28 and 36, i.e., 4.
What is the HCF of 4 and 28?
4
FAQs on GCF of 4 and 28 The GCF of 4 and 28 is 4.
What is the HCF of 294 and 420?
The GCF of 294 and 420 is 42.
What is the sum of the factors of 420?
In scientific notation, it is written as 4.2 × 102. The sum of its digits is 6. It has a total of 5 prime factors and 24 positive divisors. There are 96 positive integers (up to 420) that are relatively prime to 420….Divisors of 420.
| Even divisors | 16 |
|---|---|
| 4k+3 divisors | 4 |
How do you find the factors of 420?
10 x 42 = 420. 12 x 35 = 420. 14 x 30 = 420. 15 x 28 = 420….For 420, all of the possible factor pairs are listed below:
- x 420 = 420.
- x 210 = 420.
- x 140 = 420.
- x 105 = 420.
- x 84 = 420.
- x 70 = 420.
- x 60 = 420.
Which is the highest common factor of 28 and 36?
Answer: GCF of 28 and 36 is 4.
Which of the following is the HCF of 20 28 and 36?
The HCF of 20, 28, and 36 is 4. ∴ The highest number that divides 20, 28, and 36 is 4.
What is the highest common factor of 8 and 28?
Answer: GCF of 8 and 28 is 4.
What is the GCF of 28 and 7?
7
The GCF of 7 and 28 is 7.
What are the multiples of 420?
The first 5 multiples of 420 are 420, 840, 1260, 1680, 2100. The sum of the first 5 multiples of 420 is 6300 and the average of the first 5 multiples of 420 is 1260. Multiples of 420: 420, 840, 1260, 1680, 2100, 2520, 2940, 3360, 3780, 4200 and so on.
What is the number of odd factors of 420?
Solution : Prime Factorization of 420 is 420 = 22 x 31 x 51 x 71. Thus, Total number of odd factors of 420 is (1 + 1)(1 + 1)(1 + 1) = 2 × 2 × 2 = 8.