Prime Factorization of 140

"Prime Factorization" Calculator

What is the Prime Factorization of 140?

Answer

Prime Factors of 140:

2, 2, 5, 7

140 = 2² × 5 × 7 · composite · 12 factors · 4 prime factors counting repeats

Division ladder

140	2
70	2
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
125	5³
126	2 × 3² × 7
127	127
128	2⁷
129	3, 43
130	2, 5, 13
131	131
132	2² × 3 × 11
133	7, 19
134	2, 67
135	3³ × 5
136	2³ × 17
137	137
138	2, 3, 23
139	139
140	2² × 5 × 7
141	3, 47
142	2, 71
143	11, 13
144	2⁴ × 3²
145	5, 29
146	2, 73
147	3 × 7²
148	2² × 37
149	149
150	2 × 3 × 5²
151	151
152	2³ × 19
153	3² × 17
154	2, 7, 11

FAQ

What is the Prime Factorization of 140?

Prime Factors of 140: 2, 2, 5, 7

How many prime factors does 140 have?

Number 140 has 4 prime factors counting repeats; 3 different: 2, 5 and 7.

What is the Prime Factorization of 140 in exponential form?

The Prime Factorization of the number 140 in the exponential form is: 2² × 5 × 7