Factors of 140

140, an even composite number, has factors other than 1 and itself. Hence, the pair factors of 140 will be combination of all those numbers which on product give 140. For example, (2, 70). Let’s learn more about factors of 140, factors of 140 in pairs and the prime factors of 140.

• Factors of 140: 1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70 and 140
• Prime Factorization of 140: 2 × 2 × 7 × 5 

• The pairs of numbers that when multiplied together make 140 are the factors of 140. 
• 1 × 140, 2 × 70 , 4 × 35 , 5 × 28 , 7 × 20, 10 × 14 are the pairs that make 140 and they are all the factors of 140.
• We can use different methods to calculate the factors of 140. 
• In prime factorization, we express 140 as a product of its prime factors and in the division method, we see what numbers divide 140 exactly without a remainder.

• Let's begin calculating the factors of 140, with our idea that any number that completely divides 140 without any remainder is its factor. 
• Let's start with the whole number 1.  140 ÷ 1 = 140
• The next whole number is 2. Now, divide 30 by 2. 140 ÷ 2 = 70
• Proceeding in this manner we obtain all the factors of 30.

• 140 ÷ 4 = 35
• 140 ÷ 5 = 28
• 140 ÷ 10 = 14

Hence, the factors of 140 are, 1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70 and 140.

Explore factors using illustrations and interactive examples

• Factors of 36:  The factors of 36 are 1, 2, 3, 4, 6, 9, 12, 18, 36
• Factors of 24: The factors of 24 are1, 2, 3, 4, 6, 8, 12, 24
• Factors of 6: The factors of 6 are 1, 2, 3, 6
• Factors of 180: The factors of 180 are 1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180
• Factors of 45: The factors of 36 are 1, 5, 9, 45

"Prime factorization is to express a composite number as the product of its prime factors."

• To get the prime factors of 30, we divide it by its smallest prime factor, which is 2. 140 ÷ 2 = 70
• Now, 70 is divided by its smallest prime factor and the quotient is obtained.  70  ÷ 2 = 35
• 35 ÷  5 = 7. 7 ÷ 7 =1. This process goes on until we get the quotient as 1.

The prime factorization of 140 is shown below:

Factor pairs of 140 are the two numbers which, when multiplied, give the number 140. Therefore, the distinct pair factors of 140 are (1,140), (2, 70), (4, 35), and (5, 28).

• The  numbers which we multiply in pairs to get 140 are the factors of 140.
• Factors of 140 are 1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70 and 140.
• The number itself is a factor of the number as it divides itself exactly. Factor pairs are the pairs of two numbers which, when multiplied, give the number. Factor pairs of 140 are (1,140) (2,70) (4,35) (5,28) (7, 20), and (10,14)

What are the factors of 140?

The factors of 140 are 1, 2, 4, 5, 8, 10, 14, 28, 35, 70, and 140

What is 140 as a product of its prime factors?

140 can be written as a product of its prime factors as 140 = 2 × 2 × 5  × 7 

Is 140 a perfect square?

140 is not a perfect square because the square root of 140 is not equal to a whole number.

What are the factors of 140 and 142?

The factors of 140 are 1, 2, 4, 5 ,7, 8 ,10, 14,  28, 35, 70 and 140.
The factors of 142 are 1, 2, 71, and 142

What are the prime numbers of 140?

The prime factors of 140 are 2 , 5 and 7 because 2² × 5 × 7.