# Prime factorization of 840

Here you will see step by step solution of prime factorization of 840, how to find factors of 840, you will see all factors of 840, how many factors of 840 has? Factors of 840 are 1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, we can see that 840 has 32 factor and sum of all factors is 2880.

• All Factors of 840: 1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840
• Prime Factors of 840: 2 × 2 × 2 × 3 × 5 × 7
• Prime Factorization of 840: 23 × 31 × 51 × 71
• Sum of Factors of 840: 2880
• Is 840 prime number: No

### How to find factors of 840 by Division Method?

To find the factors of 840 by division method, we need the find the all numbers between 1 to 840, which divide 840 with 0 remainder, then the number is factor of 840.

### Pair factors of 840

• 840/1 = 840 [ 1 × 840 (1, 840) 1 and 840 is pair factor of 840]
• 840/2 = 420 [ 2 × 420 (2, 420) 2 and 420 is pair factor of 840]
• 840/3 = 280 [ 3 × 280 (3, 280) 3 and 280 is pair factor of 840]
• 840/4 = 210 [ 4 × 210 (4, 210) 4 and 210 is pair factor of 840]
• 840/5 = 168 [ 5 × 168 (5, 168) 5 and 168 is pair factor of 840]
• 840/6 = 140 [ 6 × 140 (6, 140) 6 and 140 is pair factor of 840]
• 840/7 = 120 [ 7 × 120 (7, 120) 7 and 120 is pair factor of 840]
• 840/8 = 105 [ 8 × 105 (8, 105) 8 and 105 is pair factor of 840]
• 840/10 = 84 [ 10 × 84 (10, 84) 10 and 84 is pair factor of 840]
• 840/12 = 70 [ 12 × 70 (12, 70) 12 and 70 is pair factor of 840]
• 840/14 = 60 [ 14 × 60 (14, 60) 14 and 60 is pair factor of 840]
• 840/15 = 56 [ 15 × 56 (15, 56) 15 and 56 is pair factor of 840]
• 840/20 = 42 [ 20 × 42 (20, 42) 20 and 42 is pair factor of 840]
• 840/21 = 40 [ 21 × 40 (21, 40) 21 and 40 is pair factor of 840]
• 840/24 = 35 [ 24 × 35 (24, 35) 24 and 35 is pair factor of 840]
• 840/28 = 30 [ 28 × 30 (28, 30) 28 and 30 is pair factor of 840]
• 840/30 = 28 [ 30 × 28 (30, 28) 30 and 28 is pair factor of 840]
• 840/35 = 24 [ 35 × 24 (35, 24) 35 and 24 is pair factor of 840]
• 840/40 = 21 [ 40 × 21 (40, 21) 40 and 21 is pair factor of 840]
• 840/42 = 20 [ 42 × 20 (42, 20) 42 and 20 is pair factor of 840]
• 840/56 = 15 [ 56 × 15 (56, 15) 56 and 15 is pair factor of 840]
• 840/60 = 14 [ 60 × 14 (60, 14) 60 and 14 is pair factor of 840]
• 840/70 = 12 [ 70 × 12 (70, 12) 70 and 12 is pair factor of 840]
• 840/84 = 10 [ 84 × 10 (84, 10) 84 and 10 is pair factor of 840]
• 840/105 = 8 [ 105 × 8 (105, 8) 105 and 8 is pair factor of 840]
• 840/120 = 7 [ 120 × 7 (120, 7) 120 and 7 is pair factor of 840]
• 840/140 = 6 [ 140 × 6 (140, 6) 140 and 6 is pair factor of 840]
• 840/168 = 5 [ 168 × 5 (168, 5) 168 and 5 is pair factor of 840]
• 840/210 = 4 [ 210 × 4 (210, 4) 210 and 4 is pair factor of 840]
• 840/280 = 3 [ 280 × 3 (280, 3) 280 and 3 is pair factor of 840]
• 840/420 = 2 [ 420 × 2 (420, 2) 420 and 2 is pair factor of 840]
• 840/840 = 1 [ 840 × 1 (840, 1) 840 and 1 is pair factor of 840]

As we checked numbers between 1 to 840 that are not leaving any remainder, hence we can say factors of 840 is 1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840.

Also note that, in exponential form prime factorization of 840 is written as 23 × 31 × 51 × 71 and it is a composite number.

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