Prime Factorization of 441

"Prime Factorization" Calculator

What is the Prime Factorization of 441?

Answer

Prime Factors of 441:

3, 3, 7, 7

441 = 3² × 7² · composite · 9 factors · 4 prime factors counting repeats

Division ladder

441	3
147	3
49	7
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
426	2, 3, 71
427	7, 61
428	2² × 107
429	3, 11, 13
430	2, 5, 43
431	431
432	2⁴ × 3³
433	433
434	2, 7, 31
435	3, 5, 29
436	2² × 109
437	19, 23
438	2, 3, 73
439	439
440	2³ × 5 × 11
441	3² × 7²
442	2, 13, 17
443	443
444	2² × 3 × 37
445	5, 89
446	2, 223
447	3, 149
448	2⁶ × 7
449	449
450	2 × 3² × 5²
451	11, 41
452	2² × 113
453	3, 151
454	2, 227
455	5, 7, 13

FAQ

What is the Prime Factorization of 441?

Prime Factors of 441: 3, 3, 7, 7

How many prime factors does 441 have?

Number 441 has 4 prime factors counting repeats; 2 different: 3 and 7.

What is the Prime Factorization of 441 in exponential form?

The Prime Factorization of the number 441 in the exponential form is: 3² × 7²