Prime Factorization of 43

"Prime Factorization" Calculator

What is the Prime Factorization of 43?

Answer

Prime Factors of 43:

43

43 — prime number: no prime divides it up to √43 ≈ 6.56

Division ladder

43	43
1

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

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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

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Prime Factorization Table

Number	Prime Factors
28	2² × 7
29	29
30	2, 3, 5
31	31
32	2⁵
33	3, 11
34	2, 17
35	5, 7
36	2² × 3²
37	37
38	2, 19
39	3, 13
40	2³ × 5
41	41
42	2, 3, 7
43	43
44	2² × 11
45	3² × 5
46	2, 23
47	47
48	2⁴ × 3
49	7²
50	2 × 5²
51	3, 17
52	2² × 13
53	53
54	2 × 3³
55	5, 11
56	2³ × 7
57	3, 19

FAQ

What is the Prime Factorization of 43?

Prime Factors of 43: 43

How many prime factors does 43 have?

Number 43 has 1 prime factor — itself.

Why is the prime factorization of 43 just 43?

43 is a prime number — its only divisors are 1 and 43 — so it cannot be broken down any further. A prime number is its own complete factorization.