Prime factors of 42 are 1, 2, 3, and 7.
In respect to this, how do you write prime factorization?
How to Write Prime Factorization of Composite Numbers
- Put a prime factor on the outside left, and the result or quotient (the number of times it divides evenly) underneath.
- Divide the quotient (the number underneath) by another prime number, and keep doing this until the bottom number is a prime.
In this manner, what are factors and primes?
Prime number: A prime is a number that has only two factors which are 1 and itself. Multiple: A number in the given numbers times table. Factor: A number that fits into another number exactly. LCM: The smallest number that is in the times tables of the given numbers.
What are the factors and multiples of 42?
Table of Factors and Multiples
| Factors | Multiples | |
|---|---|---|
| 1, 2, 3, 6, 7, 14, 21, 42 | 42 | 84 |
| 1, 43 | 43 | 86 |
| 1, 2, 4, 11, 22, 44 | 44 | 88 |
| 1, 3, 5, 9, 15, 45 | 45 | 90 |
What are the multiples of 42?
Multiples of 42 are 42, 84, 126, 168, 210, 252, 294, 336, 378 and so on. Multiples of 36 are 36, 72, 108, 144, 180, 216, 252, 288, 324, 360 and so on. The least common multiple of 42 and 36 = 252.
What is the factor tree for 42?
What is the GCF of 18 and 42?
What is the GCF of 70 and 42?
What is the greatest common factor of 42 and 15?
As you can see when you list out the factors of each number, 3 is the greatest number that 15 and 42 divides into.
What is the sum of all prime factors of 42?
Explanation: From the given array, 3 and 7 are prime factors of 42. Therefore, required sum = 3 + 7 = 10.
What’s the prime factorization of 100?
So, the prime factors of 100 are written as 2 x 2 × 5 x 5 or 22 x 52, where 2 and 5 are the prime numbers. It is possible to find the exact number of factors of a number 100 with the help of prime factorisation. The prime factor of the 100 is 22 x 52.
What’s the prime factorization of 48?
Factors of 48: 1, 2, 3, 4, 6, 8, 12, 16, 24 and 48. Prime Factorization of 48: 2×2×2×2×3 or 24 × 3.
Which of the following numbers is divisible by 42?
So, the numbers which are divisible by 42 are 2646, 1008, 1470 and 2478.
Why is 42 not a prime number?
The number 42 is divisible by 1, 2, 3, 6, 7, 14, 21, 42. For a number to be classified as a prime number, it should have exactly two factors. Since 42 has more than two factors, i.e. 1, 2, 3, 6, 7, 14, 21, 42, it is not a prime number.