# Prime factorization of 140

Here you will see step by step solution of prime factorization of 140, how to find factors of 140, you will see all factors of 140, how many factors of 140 has? Factors of 140 are 1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, we can see that 140 has 12 factor and sum of all factors is 336.

• All Factors of 140: 1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140
• Prime Factors of 140: 2 × 2 × 5 × 7
• Prime Factorization of 140: 22 × 51 × 71
• Sum of Factors of 140: 336
• Is 140 prime number: No

### How to find factors of 140 by Division Method?

To find the factors of 140 by division method, we need the find the all numbers between 1 to 140, which divide 140 with 0 remainder, then the number is factor of 140.

### Pair factors of 140

• 140/1 = 140 [ 1 × 140 (1, 140) 1 and 140 is pair factor of 140]
• 140/2 = 70 [ 2 × 70 (2, 70) 2 and 70 is pair factor of 140]
• 140/4 = 35 [ 4 × 35 (4, 35) 4 and 35 is pair factor of 140]
• 140/5 = 28 [ 5 × 28 (5, 28) 5 and 28 is pair factor of 140]
• 140/7 = 20 [ 7 × 20 (7, 20) 7 and 20 is pair factor of 140]
• 140/10 = 14 [ 10 × 14 (10, 14) 10 and 14 is pair factor of 140]
• 140/14 = 10 [ 14 × 10 (14, 10) 14 and 10 is pair factor of 140]
• 140/20 = 7 [ 20 × 7 (20, 7) 20 and 7 is pair factor of 140]
• 140/28 = 5 [ 28 × 5 (28, 5) 28 and 5 is pair factor of 140]
• 140/35 = 4 [ 35 × 4 (35, 4) 35 and 4 is pair factor of 140]
• 140/70 = 2 [ 70 × 2 (70, 2) 70 and 2 is pair factor of 140]
• 140/140 = 1 [ 140 × 1 (140, 1) 140 and 1 is pair factor of 140]

As we checked numbers between 1 to 140 that are not leaving any remainder, hence we can say factors of 140 is 1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140.

Also note that, in exponential form prime factorization of 140 is written as 22 × 51 × 71 and it is a composite number.

#### Prime Factorization Calculator

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