Factors of 123

The factors of 123 are 1, 3, 41 and 123. That is 4 factors in total.

A factor of 123 is a whole number that divides 123 exactly, with no remainder. 123 is a composite number because it has factors other than 1 and itself.

Factor pairs of 123

Two numbers that multiply to give 123:

• 1 × 123 = 123
• 3 × 41 = 123

Prime factorization of 123

123 = 3 × 41. The prime factors of 123 are 3 and 41.

Quick facts about 123

• Is 123 prime? No.
• Even or odd: odd.
• Sum of its factors: 1 + 3 + 41 + 123 = 168.

Factors of nearby numbers

More about 123: 123 squared · square root of 123 · 123 in binary · 123 in Roman numerals.

Another number? Try the prime number checker, the GCF and LCM calculator or see all factor lists.