# Quick Answer: What Are The Prime Factors Of 40?

## What are the factors of 40?

40 = 1 x 40, 2 x 20, 4 x 10, or 5 x 8.

Factors of 40: 1, 2, 4, 5, 8, 10, 20, 40.

Prime factorization: 40 = 2 x 2 x 2 x 5, which can also be written 2³ x 5..

## How many positive factors of 40 are there?

8 Positive FactorsWhen we counted the Factors of 40 that we listed above, we found that 40 has 8 Positive Factors and 8 Negative Factors. Thus, the total number of Factors of 40 is 16.

## What are the common factors of 30 and 40?

Answer and Explanation: The greatest common factor of 30 and 40 is 10.

## What is prime factor?

more … A factor that is a prime number. In other words: any of the prime numbers that can be multiplied to give the original number. Example: The prime factors of 15 are 3 and 5 (because 3×5=15, and 3 and 5 are prime numbers).

## What are the prime factor of 44?

44 = 1 x 44, 2 x 22, or 4 x 11. 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.

## How do you know a prime factor?

Answer and Explanation: A prime trinomial is a trinomial that cannot be factored over the rational numbers. That is, if a trinomial is prime, then it cannot be written as the…

## What are the prime factors of 490?

490 and Level 3490 is a composite number.Prime factorization: 490 = 2 x 5 x 7 x 7, which can be written 490 = 2 x 5 x (7^2)The exponents in the prime factorization are 1, 1, and 2. … Factors of 490: 1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490.Factor pairs: 490 = 1 x 490, 2 x 245, 5 x 98, 7 x 70, 10 x 49, or 14 x 35.More items…•

## What are the prime factors of 90?

The prime factorization of 90 is 2 × 3 × 3 × 5. Finding the prime factorization of a number x can be done using factor trees to…

## What are the prime factor of 42?

The only way to write 42 as the product of primes (except to change the order of the factors) is 2 × 3 × 7. We call 2 × 3 × 7 the prime factorization of 42. It turns out that every counting number (natural number) has a unique prime factorization, different from any other counting number.

## What are the prime factors of 28?

28 is a composite number. 28 = 1 x 28, 2 x 14, or 4 x 7. Factors of 28: 1, 2, 4, 7, 14, 28. Prime factorization: 28 = 2 x 2 x 7, which can also be written 28 = 2² x 7.

## What are the prime factors of 50?

50 is a composite number. 50 = 1 x 50, 2 x 25, or 5 x 10. Factors of 50: 1, 2, 5, 10, 25, 50. Prime factorization: 50 = 2 x 5 x 5, which can also be written 2 x 5².

## 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

## What is the prime factor of 45?

Students learn that the prime factorization of a number is the given number written as the product of its prime factors. For example, to find the prime factorization of 45, use a factor tree to find that 45 is 5 x 9, and 9 is 3 x 3. So the prime factorization of 45 is 5 x 3 x 3, or 5 x 3^2.

## What is the prime factor of 5?

A key point to note is that the two factors must be different, so 1 is not a prime number since both factors of 1 are the same. For example, 5 is a prime number since the only factors of 5 are 1 and 5.

## What are the prime factors of 63?

Factors of 63: 1, 3, 7, 9, 21, 63. Prime factorization: 63 = 3 x 3 x 7, which can also be written 63 = 3² x 7.

## What is the prime factor of 46?

46 is a composite number. 46 = 1 x 46 or 2 x 23. Factors of 46: 1, 2, 23, 46. Prime factorization: 46 = 2 x 23.

## What are the prime factors of 81?

81 and Level 5 81 is a composite number and is 9 squared. 81 = 1 x 81, 3 x 27, or 9 x 9. Factors of 81: 1, 3, 9, 27, 81. Prime factorization: 81 = 3 x 3 x 3 x 3 which can also be written 3⁴.