GCF for 2, 4 and 6

"Greatest Common Factor of 3 Numbers" Calculator
Greatest Common Factor of
,
and

What's the Greatest Common Factor (GCF) of 2, 4 and 6?

Answer

GCF of 2, 4 and 6 is
2

Common factors: 1, 2

2 divides all three: 2 ÷ 2 = 1, 4 ÷ 2 = 2, 6 ÷ 2 = 3 — and 1, 2 and 3 have no factor but 1 common to all of them, so no larger number divides all three.

2 — prime

4 = 22

6 = 2 × 3

Prime246Lowest power
222222
3——3—

— = power 0: the prime is not a factor of this number, so it cannot be in the GCF.

GCF = 2

See Also

GCF Table

1st2nd3rdGCF
1241
2242
2341
2442
2451
2462
2471
2482
2491
24102
24111
24122
24131
24142
24151
24162
24171
24182
24191
24202
24211
24222
24231
24242
24251
24262
24271
24282
24291
24302

FAQ

What's the Greatest Common Factor (GCF) of 2, 4 and 6?

GCF of 2, 4 and 6 is 2

What prime factors do 2, 4 and 6 share?

All three factorizations contain 2, and multiplying those shared primes gives 2 — exactly the greatest common factor.

Can you get the GCF of 2, 4 and 6 two numbers at a time?

Yes. The GCF of 2 and 4 is 2, and the GCF of 2 and 6 is 2 — the same answer, because the greatest common factor is associative and does not depend on the order of the three numbers.

How does the GCF simplify the ratio 2 : 4 : 6?

Divide every term by the GCF 2: 2 ÷ 2 = 1, 4 ÷ 2 = 2 and 6 ÷ 2 = 3. So 2 : 4 : 6 in lowest terms is 1 : 2 : 3, and no whole number other than 1 divides all three of those.