Factors of 78

The factors of 78 are 1, 2, 3, 6, 13, 26, 39, 78. A factor is a whole number that divides 78 exactly without leaving a remainder. These factors can be used to simplify fractions, solve math problems, and understand number relationships.

To find the factors of 78, divide the number by whole numbers starting from 1. If the result is a whole number with no remainder, that divisor is a factor.

78 ÷ 1 = 78
78 ÷ 2 = 39
78 ÷ 3 = 26
78 ÷ 6 = 13
78 ÷ 13 = 6
78 ÷ 26 = 3
78 ÷ 39 = 2
78 ÷ 78 = 1

A number is divisible by another number if the division leaves no remainder.

✅ 78 is divisible by 2
✅ 78 is divisible by 3
❌ 78 is not divisible by 4
❌ 78 is not divisible by 5
✅ 78 is divisible by 6
❌ 78 is not divisible by 7
❌ 78 is not divisible by 8
❌ 78 is not divisible by 9
❌ 78 is not divisible by 10

Factors of 78 are useful in mathematics, grouping objects, simplifying fractions, finding dimensions of rectangles, and solving division problems. Understanding factors helps students build a strong foundation in arithmetic and number theory.

1, 2, 3, 6, 13, 26, 39, 78

• 1 × 78
• 2 × 39
• 3 × 26
• 6 × 13

78 = 2 × 3 × 13

Step 1: Start testing numbers from 1 up to 78.

Step 2: Check which numbers divide 78 without leaving a remainder.

Step 3: The successful divisions are:

78 ÷ 1 = 78 (No remainder)
78 ÷ 2 = 39 (No remainder)
78 ÷ 3 = 26 (No remainder)
78 ÷ 6 = 13 (No remainder)
78 ÷ 13 = 6 (No remainder)
78 ÷ 26 = 3 (No remainder)
78 ÷ 39 = 2 (No remainder)
78 ÷ 78 = 1 (No remainder)

Answer: Therefore, the factors of 78 are 1, 2, 3, 6, 13, 26, 39, 78.

Even or Odd: Even Number

Prime or Composite: Composite Number

Perfect Square: No

Perfect Cube: No

Unique Prime Factors: 2, 3, 13

• 78 is a composite number because it has more than two factors.
• 78 is an even number.
• The prime factorization of 78 is 2 × 3 × 13.
• 78 has 8 total factors.

78 is a composite number because it has 8 factors.

What are the factors of 78?
1, 2, 3, 6, 13, 26, 39, 78

How many factors does 78 have?
8

Is 78 a prime number?
No

What is the largest factor of 78?
78

What is the smallest factor of 78?
1

What are the prime factors of 78?
2, 3, 13

Is 78 even or odd?
Even

What is the factor pair of 78?
1 × 78, 2 × 39, 3 × 26, 6 × 13