Question: What Is The Prime Factor Of 42?

What is the factors of 42?

Therefore, the factors of 42 in pairs are (1, 42), (2, 21), (3, 14) and (6, 7)..

Is 42 a perfect number?

Answer and Explanation: No, 42 is not a perfect number.

What are the prime factors of 40?

Answer and Explanation: The prime factorization of 40 is 2 × 2 × 2 × 5, or 23 × 5.

Why is 51 a prime number?

For 51 to be a prime number, it would have been required that 51 has only two divisors, i.e., itself and 1. However, 51 is a semiprime (also called biprime or 2-almost-prime), because it is the product of a two non-necessarily distinct prime numbers. Indeed, 51 = 3 x 17, where 3 and 17 are both prime numbers.

What is prime factor example?

Factors: The numbers which are multiplied to get another number. For example, 3 and 5 are the factors of 15, i.e. 3 × 5 = 15. Prime Factors: A factor which is a prime number and not a composite number is a prime factor. For example, 2, 3 and 5 are the prime factors of 30.

What is the prime factor of 44?

Factors of 44: 1, 2, 4, 11, 22, 44. Prime factorization: 44 = 2 x 2 x 11, which can also be written 2² x 11.

What is a prime factor?

Prime factors are factors of a number that are, themselves, prime numbers. There are many methods to find the prime factors of a number, but one of the most common is to use a prime factor tree.

Why is 42 not a prime number?

For 42, the answer is: No, 42 is not a prime number. The list of all positive divisors (i.e., the list of all integers that divide 42) is as follows: 1, 2, 3, 6, 7, 14, 21, 42. For 42 to be a prime number, it would have been required that 42 has only two divisors, i.e., itself and 1.

What is the LCM of 42?

Find the least common multiple of two numbers, where one of them is 42….Least Common Multiple – 42.NumbersLCM42 and 521042 and 64242 and 74242 and 8168243 more rows

What are the 2 prime factors of 12?

Thus, the Prime Factors of 12 are: 2, 2, 3. How many Prime Factors of 12? When we count the number of prime numbers above, we find that 12 has a total of 3 Prime Factors.

How do you find a prime factor?

Step 1: Start by dividing the number by the first prime number 2 and continue dividing by 2 until you get a decimal or remainder. Then divide by 3, 5, 7, etc. until the only numbers left are prime numbers. Step 2: Write the number as a product of prime numbers.

What are some factors of 40?

Factors of 40 are the numbers which can divide the original number 40 and results in whole number as quotient….Factors Of 40 in Pairs1 × 40 = 40.2 × 20 = 40.4 × 10 = 40.5 × 8 = 40. Therefore, the factors in pairs are (1, 40), (2, 20), (4, 10) and (5, 8).

What are the factors of 30 and 42?

Factors of 30 are {1,2,3,5,6,10,15,30} . Factors of 42 are {1,2,3,6,7,14,21,42} . Common factors are {1,2,3,6} . Greatest Common Factor is 6 .

Is 42 a perfect square Yes or no?

42 is not a perfect square.

What are multiples of 40?

Table of Factors and MultiplesFactorsMultiples1, 2, 4, 5, 8, 10, 20, 4040801, 4141821, 2, 3, 6, 7, 14, 21, 4242841, 43438641 more rows