Prime Factorization of 840

"Prime Factorization" Calculator

What is the Prime Factorization of 840?

Answer

Prime Factors of 840:

2, 2, 2, 3, 5, 7

840 = 2³ × 3 × 5 × 7 · composite · 32 factors · 6 prime factors counting repeats

Division ladder

840	2
420	2
210	2
105	3
35	5
7	7
1

Left: what is left; right: the smallest prime that divides it; 1 at the bottom.

Second way — factor tree

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See Also

Factors of a Number - List all Factors and Factor Pairs of a Number
Prime Number Checker - Find out whether a given number is Prime or not
Prime Numbers List - List of all Prime Numbers - how many Prime numbers are between

Recalculate with different values ↑

Prime Factorization Table

Number	Prime Factors
825	3 × 5² × 11
826	2, 7, 59
827	827
828	2² × 3² × 23
829	829
830	2, 5, 83
831	3, 277
832	2⁶ × 13
833	7² × 17
834	2, 3, 139
835	5, 167
836	2² × 11 × 19
837	3³ × 31
838	2, 419
839	839
840	2³ × 3 × 5 × 7
841	29²
842	2, 421
843	3, 281
844	2² × 211
845	5 × 13²
846	2 × 3² × 47
847	7 × 11²
848	2⁴ × 53
849	3, 283
850	2 × 5² × 17
851	23, 37
853	853
854	2, 7, 61
855	3² × 5 × 19

FAQ

What is the Prime Factorization of 840?

Prime Factors of 840: 2, 2, 2, 3, 5, 7

How many prime factors does 840 have?

Number 840 has 6 prime factors counting repeats; 4 different: 2, 3, 5 and 7.

What is the Prime Factorization of 840 in exponential form?

The Prime Factorization of the number 840 in the exponential form is: 2³ × 3 × 5 × 7